Current Mozilla job openings

Staff Data Scientist - Operations

Wed, 06 Aug 2025 20:30:31 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make groundbreaking brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

As a Staff Data Scientist supporting Global Operations, you will be a strategic partner in improving Mozilla’s operational efficiency, effectiveness, and scale. You are a hands-on builder who brings a strong analytical toolkit, fluency in AI technologies, and a deep appreciation for how complex operational systems work. You will lead foundational reporting efforts, automate critical workflows, and identify opportunities to reduce cost and improve performance across Customer Experience, Trust & Safety, and Ad Operations.

You thrive in environments where productivity, pragmatism, and impact matter more than perfection. You think like an operator and build like an engineer. You know that good metrics and fast insights are the foundation for running great teams, and you want to make that a reality at Mozilla.

What you’ll do:

Lead the development of foundational reporting and metrics infrastructure for Global Operations, enabling timely, trusted visibility across the various Ops orgs.
Design and scale measurement frameworks that surface operational trends and performance drivers.
Apply AI and automation tools (e.g. LLMs, GPT-based summarization, anomaly detection, task triage) to eliminate manual workstreams and improve productivity.
Prototype and implement automation use cases that drive operational efficiency and compliance, while identifying similar opportunities for cost savings across the organization
Define and implement core operational metrics that reflect efficiency, effectiveness, and service quality, enabling measurement at scale and continuous process improvement.
Partner with operations, and product teams to define measurement needs, identify gaps, and implement tracking.
Standardize operational metrics and dashboards in Looker, ensuring self-serve access and consistency across the organization.
Drive root cause analysis and opportunity sizing to surface the highest-value areas for investment or process improvement.

What you’ll bring:

BS or MS in Data Science, Statistics, Computer Science, or a related field
5+ years of experience in data science or analytics, with demonstrated work on operations-focused projects.
Hands-on experience with AI tooling and prototyping, particularly in service of process automation (LLMs, APIs, NLP, anomaly detection).
Familiarity with operational domains such as Customer Experience (CX), Trust & Safety (T&S), or Ad Ops; ability to understand metrics like handle time, task pacing, or SLA completion without needing deep onboarding.
Strong proficiency in SQL, and experience building data pipelines and dashboards using tools like Looker.
Proficiency in Python or R for modeling, prototyping, and automation.
Experience with metric standardization, KPI frameworks, and experimentation in operational settings.
Ability to work cross-functionally, communicate with clarity, and prioritize speed over perfection when needed.
Deep sense of ownership, curiosity, and urgency in solving problems that improve organizational productivity.
A global, privacy-respecting perspective aligned with Mozilla’s values.

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc.varies by country)

About Mozilla

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: C

#LI-DNI

Req ID: R2698

Director, Enterprise Resource Planning

Fri, 01 Aug 2025 23:31:01 +0000

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

The role is part of the broader IT Services organization serving across Mozilla entities. As the Director of ERP Applications in the Information Technology organization, you will be responsible for overseeing the entire enterprise resource planning (ERP) systems within Mozilla. This includes its implementation, maintenance, optimization, and integration with other business systems, by leading a team of ERP specialists while collaborating closely with different departments to ensure the system aligns with business needs and drives operational efficiency.

What you’ll do:

Design and put into action a long-term ERP strategy that supports business goals, encompassing potential system upgrades and new module implementations. Evaluate business requirements to pinpoint opportunities for enhancing and optimizing ERP systems.
Manage a high-performing team of ERP specialists, including system administrators, analysts, and developers. Delegate tasks, provide coaching and mentorship to team members, and foster a collaborative work environment.
Work closely with various groups to understand their business needs and translate them into ERP system requirements. Facilitate communication and alignment between IT and business partners regarding ERP systems usage and functionality.
Share progress, insights, and recommendations with senior leadership and collaborators during quarterly business reviews and other senior meetings.

What you’ll bring:

10 or more years of experience related to ERP systems implementation and operations, with clear demonstration of progressive achievement and growth.
Three to five years of leadership responsibility leading small to midsize teams and influencing senior-level management and key stakeholders.
Hands-on experience in ERP applications such as Workday and Netsuite.
Demonstrate design & integration of ERP workflows for employee mgmt, comp cycle, performance mgmt, budgeting, accounting, expense mgmt, contract approvals, etc.
Solid understanding of development tech / tools such as DB’s, API integrations, test automation frameworks, data analytics, ETL transformation across different data sets
Deep understanding and experience implementing security and compliance requirements / controls
Strong analytical skills, with the ability to use data to drive decision making and measure success.
Ability to develop and implement strategic plans, with a focus on long-term growth, sustainability and scalability.
Excellent written and verbal communication skills, with the ability to collaborate effectively with cross functional teams and stakeholders.

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc.varies by country)

About Mozilla

When you work at Mozilla, you give yourself a chance to make a difference in the lives of web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the web as the platform and help create more opportunity and innovation for everyone online. We’re not a normal tech company. The things we create prioritize people and their privacy over profits. We exist to make the internet a healthier, happier place for everyone.

Commitment to diversity, equity and inclusion

Mozilla believes in the value of diverse creative practices and forms of knowledge, and knows diversity, equity and inclusion are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities and expressions.

Group: B

#DNI

Req ID: R2756

Hiring Ranges:

US Tier 1 Locations

$241,000—$322,000 USD

US Tier 2 Locations

$222,000—$296,000 USD

US Tier 3 Locations

$205,000—$273,000 USD

Senior Software Engineer, Mozilla VPN

Sat, 26 Jul 2025 07:44:05 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

Mozilla VPN is seeking an experienced software engineer to join our fully remote, global engineering team. In this role, you will contribute to the suite of products that make up the Mozilla VPN project, including browser extensions, browser integrations, and the Mozilla VPN client—a cross-platform application available on Windows, macOS, Linux, iOS, and Android. You will be responsible for implementing new features as well as improving the performance and the reliability of existing functionality. Additionally, you will have the opportunity to be at the forefront of innovative, challenging, and technically complex initiatives.

What is a Senior Software Engineer at Mozilla?

A Senior Software Engineer is the next level from a Software Engineer. At Mozilla, this role can vary, but is typically someone who is largely self directed after work is assigned and is advanced in their domain. They help team members get information they need to be successful while also being the go-to person for peer reviews in their domain. They have a solid understanding of the product strategy and can recommend solutions to critical issues when needed, assist junior engineers in risk management and escalation, and advocate for and implement changes that affect their team. A Senior Software Engineer actively seeks opinions and ideas from their team members, including those with varied experiences and perspectives to improve more collective results.

What you’ll do:

Contribute to the development and optimization of the Mozilla VPN client across platforms (Windows, macOS, Linux, iOS, Android).
Contribute to the Mozilla VPN extension for Firefox.
Own features and collaborate cross functionally to bring them from ideation to end-users.
Write pragmatic, maintainable, efficient code and review the code of your peers.
Triage, debug and resolve software defects

What you’ll bring:

6+ years of software engineering experience
High level of proficiency in C++, Javascript, and full-stack web development.
Experience developing cross-platform applications (Windows, macOS, Linux, iOS, Android)
An understanding of privacy and security principles and best-practices
Excellent communication skills and experience mentoring engineers

Bonus points:

Experience developing cross platform applications with Qt
Proficiency in any of the following: Rust, Go, Javascript, TypeScript, Lit
Open-source contributions to networking or VPN-related projects
Experience implementing or improving application observability

What you’ll get:

Generous performance-based bonus plans to all regular employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#DNI

ReqID: R2765

Staff Security Engineer

Mon, 04 Aug 2025 16:41:05 +0000

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this Team and Role

Mozilla is looking for a staff security engineer to assist with the design and architecture of security controls and risk reduction activities across all Mozilla product, service and support departments. To achieve these you will need:

experience assessing security risks, presenting security topics to technical and nontechnical teams.
Ability to analyze software and system design to identify security vulnerabilities using knowledge of state of the art vulnerabilities and attack techniques.
technical expertise and experience with designing and building tooling to scale and automate processes your influence and impact.
outstanding interpersonal skills to partner with teams across the organization and support them in reducing their risk.

Most importantly, you will assist the team responsible for ensuring the integrity of Mozilla’s enterprise and products and for keeping Mozilla’s users safe, within a company dedicated to building a more secure internet.

What You’ll Do

Lead enterprise security control design and architecture across Mozilla SaaS applications and enterprise security tooling
Conduct risk assessments and security reviews for SaaS and custom-developed applications and services
Collaborate with security leadership on security strategy and prioritization of security projects
Coordinate with Security Incident Response Team on incident retrospectives and follow up on security remediation
Security Strategy and Governance
Develop and implement cybersecurity strategies, policies, and frameworks aligned with organizational goals and regulatory requirements.
Conduct periodic corporate risk assessments and recommend measures to address identified vulnerabilities.
Internal Consulting
Act as a subject matter expert for internal teams, providing guidance on securing SaaS applications, infrastructure hardening, and data protection.
Review and approve security controls in project designs and deployments.
Regulatory Compliance
Ensure compliance with Mozilla security standards, such as NIST, GDPR, and other relevant regulations.
Support audits, certifications, and assessments.
Technology Assessment
Evaluate and recommend new security technologies, tools, and methodologies to strengthen the organization's cybersecurity posture.
Collaborate with IT and business units to assess and integrate security solutions.
Training and Awareness
Assist in development or acquisition of training sessions for employees to enhance cybersecurity awareness across the organization.
Provide mentorship to junior cybersecurity staff.
Reporting and Communication
Provide detailed reports and dashboards on the organization's security status to senior leadership.
Communicate complex technical information to non-technical stakeholders effectively.

What You’ll Bring

10+ years of demonstrated ability in a security consulting or architecture role
Practical experience with the following technologies:
Identity and Access Management
Mobile Device / Application Management
Data Loss Prevention
Endpoint Detection and Response
Practical experience securing SaaS applications such as but not limited to: Google Workspace, Box, Slack, Workday, Jira and Confluence)
Experience securing cloud technologies such as Google Cloud, Amazon Web Services and Azure.
Strong written and verbal skills; ability to work effectively with diverse company partners.
Real-world experience in software development and/or engineering operations; B.S. in technology focused fields is helpful.

Competencies

Ownership and Accountability
Autonomy
High Level of Integrity
Clear Communication
Creative Problem Solver
Passionate about Security

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. varies by country)

About Mozilla

Commitment to diversity, equity and inclusion

Group: C

#LI-REMOTE

ReqID: R2766

Hiring Ranges:

US Tier 1 Locations

$163,000—$217,000 USD

US Tier 2 Locations

$150,000—$200,000 USD

US Tier 3 Locations

$138,000—$184,000 USD

Senior Business Development Lead - New Partnerships - AI & Beyond

Wed, 06 Aug 2025 22:06:04 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

The Business Development (BD) team leads strategic and product partnerships, distribution, growth, and investment opportunities. We pay attention to emerging technologies and pursue new market opportunities in alignment with Mozilla's values and products. We work cross-functionally to develop and optimize features, products, and services for Mozilla’s users. Our broader team is both analytical and strategic, taking a pragmatic approach to driving high impact.

We want to add an outstanding leader to the team who can be responsible for building a pipeline of new partnerships in line with multiple company-wide goals.

We want to add an outstanding leader to the team who can be responsible for building and landing a pipeline of new partnerships in line with multiple company-wide goals. This role is expected to drive new AI partnerships and beyond - and become the go-to expert with product and leadership on commercial and non-commercial opportunities. The ideal candidate will have experience with AI partnerships, models, and related ecosystems.

You'll work across product lines and teams in pursuit of growth activities. You will be responsible to own recommendations and solutions for ‘big ideas’ that represent significant value for users, partners, and Mozilla. You are adept at sizing opportunities with proven analytical rigor and modeling. You'll present compelling executive-ready recommendations supported by strategic, operational, and analytical evidence inclusive of cross-organizational input. The position requires someone who is a self-starter and approaches problems in a structured way but is comfortable with ambiguity. This role will report to the Senior Manager of Business Development.

What you’ll do:

New partnerships in AI will be a core focus of this role, with expansion into new search partnerships, ads, and specialized focus areas such as enterprise, among others.
Pipeline development & management: Develop and run a pipeline of AI, search, and advertising partnership opportunities aligned to business goals; implement systems for tracking, measuring, and optimizing outreach and deal flow.
Bring market intelligence to product teams, shape and influence AI strategy, and tactically lead deal negotiations
Opportunity vetting: Develop scalable frameworks and processes to rapidly identify and size partnership opportunities based on strategic fit, revenue potential and risk.
Stakeholder engagement: Work cross-functionally to drive education, agreement and consensus on high-impact opportunities; write comprehensive business cases to support internal decision-making.
Partner management: Quickly build trust and cultivate strategic relationships with potential partners; develop and deliver polished pitch materials that clearly articulate the value of working with Mozilla.
Deal execution: Lead sophisticated negotiations to land partner agreements, or transition to other team members as needed.
Market intelligence: Gather and analyze market and partner insights to educate internal teams and influence product roadmaps.
Strategy: Lead overall growth plan for new partnerships, and be a key contributor to special projects.

What you’ll bring:

8+ years of experience in business development, partnerships, B2B sales or a related field; knowledge of the search, AI and/or digital advertising industries is a plus.
Opportunity sizing: Proven ability to efficiently size and progress opportunities with clarity and rigor.
Communication: Expert at framing and communicating complex proposals via concise storytelling (live as well as in documents / slides); experienced in pitching to and successfully persuading executive audiences.
Collaboration: Proven ability to proactively work across organizational boundaries (ideally with Product and Legal teams) to assess and prioritize new opportunities.
Negotiation expertise: Ability to steer complex negotiations and close high-impact contractual agreements.
Relationship management: Skill in establishing long-term partnerships that bring value for both parties.
Problem solving: Demonstrated strength in creative and hypothesis-led problem solving, underpinned by strong analytical ability.
Willingness to travel for partner meetings, team gatherings, and industry events (approx once per quarter).

What you’ll get:

Generous performance-based bonus plans to all regular employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc.varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#DNI

ReqID: R2767

Manager, Data Science

Sat, 26 Jul 2025 07:44:21 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

We’re looking for a data science leader to guide and grow a high-impact team focused on Mozilla’s expanding portfolio of monetized products and services. This role is central to shaping a monetization strategy that aligns with our core values - protecting user privacy, delivering meaningful value to users, and ensuring the long-term financial health of Mozilla.

What you’ll do:

Lead and scale a high-performing data science team, driving strategy and execution across monetized features and surfaces.
Balance business goals and user trust by defining a monetization framework that supports privacy and user-first principles.
Translate data into impact through deep analysis, clear insights, and the development of metrics, dashboards, and self-serve reporting tools that enable stakeholders to make informed decisions.
Drive measurement rigor by designing and evolving experimentation and evaluation frameworks for testing and optimizing monetization features.
Collaborate cross-functionally with Product, Engineering, and Advertising teams to define and deliver on our product and monetization roadmap.

What you’ll bring:

6+ years of experience in data science with a strong focus on monetization. Experience in ad tech, programmatic advertising, search and recommendation systems is a strong plus.
3+ years of experience leading and scaling data science teams.
Deep expertise in machine learning, statistical modeling, and applied data analytics. Proficiency in Python, as well as SQL.
Strong understanding of privacy-preserving technologies and how they can be applied within advertising or monetization contexts.
Excellent communication skills, with the ability to distill complex data into clear, actionable insights for both technical and non-technical stakeholders.
A collaborative mindset and a track record of influencing cross-functional teams and senior leaders.

Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity and inclusion

Group: D

#DNI

ReqID:R2770

Sr. Staff Engineering Program Manager

Sat, 26 Jul 2025 07:45:13 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

We’re looking for a skilled and experienced Technical Program Manager to support our Advertising Product and Engineering team. In this role, you will lead the execution of complex, cross-functional programs that drive the development of advertising features, systems and data products. You will coordinate work across engineering, product, data science, and cross-company and external partners to deliver scalable, privacy-compliant solutions in areas like targeting, attribution, bidding, and measurement. As a TPM, you’ll play a key role in influencing system design, driving architectural alignment, and ensuring program goals are met on time. You'll manage multiple initiatives simultaneously, working with global and remote teams, and provide clear updates to stakeholders. Success in this role requires strong program leadership, risk management, and a deep understanding of how technical and business priorities intersect in advertising.

What you’ll do:

Manage roadmaps for ad tech and data platform initiatives, ensuring alignment with business goals, technical feasibility, and compliance requirements.
Build and maintain strong relationships with internal stakeholders, and external partners to ensure smooth execution and alignment.
Manage communication of technical requirements, changes in project scope using structured verification and change control processes.
Report progress, escalate risks, and highlight key achievements to management and relevant partners as needed.
Drive architectural alignment and coordinate engineering teams across orgs to deliver scalable ad features such as targeting, attribution, and real-time bidding.
Ensure compliance with data governance policies and privacy regulations (e.g., GDPR, CCPA) throughout all advertising and data initiatives.
Manage system risks and dependencies, communicate timely among Eng managers, PMs and leaders and mitigate technical delivery risks.
Maintain comprehensive project documentation, ensuring traceability, transparency, and operational continuity.
Continuously refine delivery processes and optimize workflows across engineering, data science, and product management teams.

What you’ll bring:

10+ years of technical program management experience in ad delivery and the ad tech ecosystem.
Experience managing software engineering programs end to end
Excellent interpersonal skills to juggle many activities without losing sight of the highest-priority items
Ability to understand complex concepts and make reasoned decisions with sometimes imperfect data
Good communication skills, relationship-building, and negotiation skills
Ability to communicate and interact with leaders within the advertising organization and across the business
Experience collaborating with engineering and architecture teams to influence and contribute to the system design of key advertising components
Experience ensuring system design decisions balance business requirements, technical feasibility, performance, and long-term maintainability
Experience driving architectural reviews and support design of distributed, low-latency systems to handle real-time ad delivery

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#DNI

ReqID: R2790

Staff Software Engineer - Mobile Android

Sat, 26 Jul 2025 07:45:21 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About the role:

At Mozilla, we’re building the future of the web—one that’s fast, private, inclusive, and puts people first. As mobile becomes the primary way billions experience the internet, our mission to deliver a secure, transparent, and user-centric browser is more important than ever.

We’re looking for a Staff Android Engineer to help evolve Firefox for Android—an open-source browser with over 100 million downloads on the Google Play Store. In this role, you’ll shape architecture, mentor engineers, and drive technical direction while contributing to a product that reflects Mozilla’s values of openness, innovation, and privacy.

If you're passionate about building high-impact software and want to help create a healthier internet for everyone, we’d love to hear from you.

What you’ll do:

Design, debug, build, and ship medium to large-scale Android solutions that promote a healthy and inclusive internet
Drive engineering decisions and feature development with a clear focus on delivering user value.
Become a member of a hardworking, diverse, and geographically distributed team responsible for the Firefox mobile applications and our ecosystem of open-source Android components
Closely collaborate with partners to understand, define, clarify scope, solidify requirements, and drive initiatives
Effectively communicate the engineering development perspective and discuss sophisticated topics with technical and non-technical team members
Define and uphold standards for quality through constructive code reviews, bug fixing, testing, and coding practices
Work closely with specialist Gecko teams to bring browser functionality to Android
Address problems that span all levels from the Java API layer, to JavaScript and into the C++ browser engine
Provide solutions and feedback to Mozilla's lively and dynamic open-source community to improve our Android solutions and support Mozilla’s manifesto

What you bring:

Many years of experience building complex applications for a broad and diverse user base using Java, Kotlin, and/or C++
Experience resolving problems, signaling risk, fostering change, and facilitating collaborative decision-making
Passion for building excellent products, and a sense of ownership that spans from design to investigating and squashing bugs.
Modern programming practices (code review, unit testing, automation)
Rust programming experience and knowledge is a plus
Ability to lead other developers and work as part of a team in a fast-paced environment to deliver well-designed, reusable, and high-quality code on time
Unafraid of asking questions, and proposing new insights if you think they will make a positive impact.
Desire to work with, learn, and grow with an outstanding group of people
Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc.varies by country)

About Mozilla

Commitment to diversity, equity and inclusion

Group: C

#DNI

ReqID: R2797

Senior Product Manager, Firefox Mobile (Android)

Sat, 26 Jul 2025 07:45:33 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About the Role:

As the Android Product Manager, you’ll shape the strategy, execution, and growth of Firefox Mobile on Android with a passion for shipping fast and delivering impactful outcomes. You’ll collaborate closely with Engineers, Designers, our Head of Mobile Product, iOS PM, and Growth PMs to create a browser that delights users worldwide. This role calls for a startup attitude, hunger, ownership, and enthusiasm for building a browser users love, share, and use daily.

What you’ll do:

Prioritize and ship features for Firefox’s Android browser, aligning user needs, technical constraints, and company goals (e.g., privacy, performance).
Work hand-in-hand with engineers and designers, collaborating tightly with cross-functional teams, like data science to ship features fast and iterate based on user feedback and data.
Obsessively track new and competing apps through store trends, X/Twitter discussions, and hands-on testing (e.g., reinstalling apps to spot changes), fueling innovative Firefox features and UX.
Use Google Play Console to track app health (e.g., ANRs, crash rates) and optimize acquisition channels (e.g., organic, paid).
Support user acquisition and retention efforts, experimenting with ASO, store listings, and growth strategies to scale globally.
Adapt Firefox for international markets (e.g., Europe, Japan, Asia), understanding cultural differences and data plan constraints.
Relentlessly champion the Android user’s needs, using analytics (e.g., Play Console), Play Store user reviews, and insights to drive enhancements for the Firefox experience.

What you'll bring:

Demonstrated Impact: Hands-on experience launching or managing an app in the Google Play Store (iOS App Store a plus), with a hunger to get results.
Technical Fluency: Deep knowledge of Android’s ecosystem (e.g., Kotlin, Jetpack, Play Store policies) and web browser technologies (e.g., Gecko, Chromium, privacy features).
Google Play Console Expertise: Strong ability to analyze ANRs, crash rates, and acquisition data to improve performance and growth.
Research Passion: Habit of studying fast-growing apps and competitors to uncover retention and monetization strategies.
Global Mindset: Experience or ability to grow users in markets like Europe, Japan, or Asia, with sensitivity to cultural and data plan differences.
Startup Drive: Pushes for outcomes, and ships MVPs quickly, learn and iterate.
Proven Execution: Track record of delivering high-impact features or products under tight deadlines, fueled by a passion for results.
Growth Expertise: Familiarity with user acquisition (e.g., ASO, campaigns) and data-driven decisions (e.g., A/B testing, funnel analysis).

Bonus:

Experience with mobile browsers or privacy-focused products.
History of scaling an app to significant user growth.
Currently maintains an app or side project on the Google Play Store or iOS App Store.

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity and inclusion

Group: C

#LI-REMOTE

ReqID: R2799

Hiring Ranges:

Canada Tier 1 Locations

$128,000—$170,000 CAD

Canada Tier 2 Locations

$115,000—$154,000 CAD

Senior Software Engineer, Ads

Sat, 26 Jul 2025 07:45:34 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

The Ads Engineering team at Mozilla builds core infrastructure to support ethical, privacy-forward advertising across Mozilla's products. MAJC is our internal component for client-side ad fetching, rendering, and measurement across Firefox, Pocket, MDN, and beyond.

In this role, you’ll contribute to the development of MAJC using Rust and Python to create a scalable, privacy-preserving advertising component that enables consistent, performant ad experiences across Mozilla’s properties. You and your team will be the subject matter experts when it comes to advertising, providing guidance, and shepherding various product teams across Mozilla.

What you’ll do:

Design and deliver reusable components within the Mozilla Ads products that support multiple product teams and surface areas
Collaborate closely with Product, Ad Ops, and Data Science to enable enriched measurement, feedback reporting, and experimentation
Implement privacy-preserving features in our Mozilla Ads products, contributing to Mozilla’s vision for ethical advertising
Work with front-end teams across Mozilla to support and extend existing systems to apply innovative ways and technologies in reaching Mozilla’s advertising goals
Help translate product and engineering strategy into actionable tasks and early prototypes, providing feedback where appropriate

What you’ll bring:

5+ years of overall software engineering experience
Proven ability to successfully lead and ship complex software projects
Experience in Rust and Python
Familiarity with one of the following front-end technologies: JavaScript, React, or Node.js
Experience with telemetry, privacy-preserving analytics, and/or programmatic advertising is a plus.
An interest and ability to work in a distributed, cross-functional environment (which requires good asynchronous written communication skills as well as good verbal communication skills)
Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity and inclusion

Group: D

#DNI

ReqID: R2803

New Products Principal Engineer

Sat, 26 Jul 2025 07:45:42 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About This Team and Role:

The New Products team at Mozilla is building a browser-automation stack for AI agents. Our mission is to make it effortless for developers to integrate fast, reliable web interactions into their agentic applications.

We are seeking a founding Principal Software Engineer who will set the technical vision, architect the platform, and spend the majority of their time writing production code alongside the team. You will guide a small, fast-moving group of engineers, and personally deliver the core libraries, services, and tooling that empower the next generation of intelligent web automation. If you thrive on rolling up your sleeves, love shipping code that developers adore, and enjoy shaping green-field products from the ground up, we’d love to meet you.

What you’ll do:

Technical Strategy & Architecture: Define and communicate the long-term technical roadmap for our browser-automation stack, balancing rapid iteration with long-term maintainability and scalability.
Hands-On Development: Write elegant, high-performance code daily in languages such as Go, Ruby on Rails, and TypeScript. Rapidly prototype, benchmark, and ship features to production.
System Design & Infrastructure: Design distributed, fault-tolerant services and developer-facing SDKs/APIs. Own cloud infrastructure, CI/CD pipelines, security, and observability.
Team Leadership & Mentorship: Grow, mentor, and inspire a world-class engineering team. Conduct thoughtful code reviews, establish the engineering culture, and foster a team of technical excellence and psychological safety.
Collaboration & Product Direction: Work closely with product, design, and developer-relations to ensure technical choices align with developer needs and business goals. Turn community feedback into concrete improvements.
Stakeholder Communication: Translate complex technical trade-offs into clear language for executives, partners, and cross-functional teams. Provide regular updates on progress, risks, and mitigation strategies.

What you’ll bring:

10+ years of software engineering experience building high-performance developer tools, SDKs, or distributed systems, with at least 3 years leading technical teams or large projects.
Expert-level proficiency in at least two of: Go, Ruby (Rails), Python or TypeScript/JavaScript..
Proven track record architecting and shipping complex, high-throughput systems in production environments (cloud, edge, or hybrid).
Deep understanding of browser internals, automation frameworks (e.g., Playwright, Puppeteer, Selenium), and secure web interaction paradigms.
Hands-on experience and opinions about modern AI/ML workflows or agent frameworks such as LangChain, LlamaIndex, or custom in-house systems.
Strong focus on code quality, testability, performance, and operational excellence; familiarity with TDD, automated testing, and observability stacks.
Exceptional communication skills with the ability to collaborate across disciplines and levels, from junior engineers to executive leadership.

Nice to have:

Prior experience as a founding or early-stage CTO, Principal Engineer, or Staff+ engineer at a fast-growing startup or open-source project.
Experience building to production systems in browser automation, AI tooling, or developer infrastructure.
Knowledge of privacy-preserving technologies, secure computation, or web standards bodies.
Experience optimizing build systems, WebAssembly pipelines, or cross-language bindings.
Public speaking or writing history (talks, blogs, whitepapers) explaining complex technical topics to diverse audiences.

What you’ll get:

Generous performance-based bonus plans to all eligible employees – we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether
you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country-specific holidays plus a day off for your birthday
One-time home-office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. – varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: B

#LI-REMOTE

ReqID: R2805

Hiring Ranges:

US Tier 1 Locations

$216,000—$288,000 USD

US Tier 2 Locations

$199,000—$265,000 USD

US Tier 3 Locations

$184,000—$245,000 USD

Desktop Integrations Engineer

Sat, 26 Jul 2025 07:45:43 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team:

The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. We are responsible for making the things you see in the browser work securely, quickly, and well! The Desktop integrations team is a cross-functional team that focuses on updates, installs and integrating Firefox with different OS platforms. As part of the Desktop Integrations team, you will be responsible for all things related to OS integration (particularly Windows and macOS) and helping us grow our user base.

Our team is geographically distributed, and working in the open is the norm. We contribute to the code driving the Firefox browser on a number of desktop platforms.

About the role:

A Senior Software Engineer contributes to architectural discussions, and driving feature development within a team. At Mozilla, Senior Engineers are expected to work independently on scoped projects, collaborate closely with peers, and play a key role in delivering high-quality software that aligns with team goals.

What you’ll do:

Contribute to the development and improvement of Firefox features related to installs, updates, and OS integrations.
Help implement enhancements to the Firefox installation and update experience, using data insights to guide development.
Tackle platform-specific challenges in low-level operating system integration on Windows and/or macOS.
Collaborate with your manager and teammates to scope and prioritize work in alignment with the team’s goals.
Participate in code reviews and contribute to technical discussions with peers.
Take ownership of complex bugs and lead efforts to improve the Firefox experience for hundreds of millions of users.
Work closely with your geographically distributed team in a highly collaborative environment.

What you’ll bring:

Experience with systems-level programming on at least one major platform (Windows, macOS).
Solid programming skills in C/C++.
Effective communicator and collaborator, especially in distributed teams.
Ability to break down technical work and make steady progress within project timelines.
A collaborative mindset and a desire to contribute to team success.

Bonus Points

Programming experience in Rust.
Experience working with Windows and/or macOS APIs at a low level (e.g., Win32, Cocoa).
Additional experience with Linux, or macOS internals.
Contributions to open source projects.

We value a variety of voices within our team and at Mozilla. You don't need to check every box on this list to apply.

What you’ll get:

Generous performance-based bonus plans to all regular employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-REMOTE

ReqID: R2806

Hiring Ranges:

Canada Tier 1 Locations

$104,000—$139,000 CAD

Canada Tier 2 Locations

$94,000—$126,000 CAD

Senior Test Engineer

Sat, 26 Jul 2025 07:45:44 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

Firefox Desktop Test Engineering is a geographically distributed team responsible for validating all critical browser areas, both core and new, through dedicated testing. We focus on representing the user, driving quality across Firefox, and supporting teams in delivering a user-friendly experience. As a Lead, you’ll drive test automation projects, build tools and frameworks, collaborate with cross-functional teams and advocate for testing and quality.

What you’ll do:

Build tooling and frameworks to make testing easier and faster.
Write, run, and maintain automated tests.
Create and implement comprehensive test plans to drive test automation initiatives for your team.
As a domain expert unblock others and provide feedback to junior test engineers.
Participate in the incident response process by assisting with investigations and validating builds.
Collaborate with various teams across the organization to solve complex technical problems that reduce tech debt, improve efficiency, and enable the delivery of high-quality code at high velocity.
Contribute to a healthy team culture, serve as a go-to person for junior testers, and invest in both your own growth and that of your peers.
Be a strong, opinionated advocate for testing and quality.

What you’ll bring:

5+ years of experience in a software engineering role (e.g., SDET, Senior Test Engineer, Test Automation Lead).
3+ years of hands-on test automation experience using Selenium or a similar UI testing framework.
Proficient in Python programming ( good to have knowledge of other scripting languages such as Java, JavaScript or C++).
In-depth understanding of Continuous Integration and Continuous Deployment (CI/CD) frameworks such as GitHub Actions, Jenkins, etc.
Experience leading project delivery with geographically distributed teams or vendor partners.
Proven track record to lead initiatives independently in collaboration with cross-cultural teams.
Strong analytical skills with the ability to solve complex software development problems that span multiple components, including those outsides of core expertise.

Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-REMOTE

ReqID: R2808

Hiring Ranges:

Canada Tier 1 Locations

$104,000—$139,000 CAD

Canada Tier 2 Locations

$94,000—$126,000 CAD

Director, Product & Privacy Legal

Sat, 26 Jul 2025 07:45:51 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

Mozilla is seeking a seasoned legal leader to head our Product & Privacy Legal teams. This pivotal role involves managing a team of highly skilled and experienced senior legal professionals and driving strategic legal support across a rapidly evolving line of products, to enable innovation and protect our users in line with Mozilla’s mission. This role will report to the Vice President, Legal.

What you’ll do:

Manage and foster the professional growth of a high-performing team of senior product and privacy professionals.
Actively build strong relationships and cross-functional alignment on privacy and product issues, balancing legal risk, product goals, and user trust.
Be a trusted advisor to Mozilla’s leadership, including executives in Product, Engineering, Ads, Data, and Marketing.
Collaborate closely with colleagues on the Legal & Policy teams on the intersection between our product and privacy work and our policy, competition, commercial, M&A, and employment matters.
Set the strategic vision for the Product & Privacy Legal teams, aligning legal support with Mozilla’s product and business priorities and scaling Mozilla’s privacy compliance program.
Provide leadership in evaluating and improving legal processes and guidance related to product development and privacy operations.
Be a mentor and role model, supporting the learning and professional development of all members of the Legal team as one of its senior leaders.

What you’ll bring:

J.D. degree and membership in a state bar with good standing
10+ years relevant experience, including being in-house at a technology company focused on counseling business clients through the product development lifecycle on product and privacy issues
5+ years experience as a people manager, with demonstrated ability to manage senior legal professionals with deep expertise and experience
Excellent collaborator who builds internal alignment across subject matter experts to deliver multifaceted legal advice regarding privacy, IP, consumer protection, security, commercial, and other legal issues
Proven ability to build deep, trust-based relationships and gain the confidence of senior leaders across the organization
Skilled at navigating change and ambiguity, demonstrated ability to provide direction amidst evolving priorities
Experience with Ads or AI technologies a plus

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: B

#DNI

ReqID: R2815

Sr. Staff Product Manager, Productivity

Wed, 30 Jul 2025 18:25:06 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

Firefox isn’t just a browser. It’s a gateway to richer, more relevant online experiences. We’re on a mission to reinvent what it means to be productive, blending innovative AI, human-centered design, and a deep commitment to privacy and well-being. As our next Senior Staff Product Manager, Firefox Productivity, you’ll have the opportunity to transform how hundreds of millions of people browse, work, and create, helping them accomplish goals faster, stay focused longer, and feel genuinely fulfilled by their online journeys.

What you'll do:

Product Vision & Strategy: Define and evangelize a bold, differentiated productivity vision for Firefox, one that balances objective efficiency (task completion, time management) with experiential well-being (flow, engagement, happiness).
Cross-Functional Collaboration: Work together with teams from design, engineering, and data science to craft, launch, and optimize experiences that delight users and uphold our mission.
Data-Driven Decisions: Define success through a balance of quantitative metrics (engagement lift, retention) and qualitative feedback ensuring we’re moving the needle on both productivity and growth.
Effective Communication: Clearly communicate product roadmaps, feature benefits, and performance outcomes to collaborators, leaders, and external partners.
Go-to-Market & Partnerships: Collaborate with marketing and BD teams to craft compelling launch strategies, forge ecosystem partnerships, and amplify our message: productivity with purpose.
Smart Innovation: Leverage data-driven insights and user behavioral patterns to anticipate needs, minimize context-switching, and surface the right tools at the right moments crafting proactive browser features that feel like trusted companions.

What you'll bring:

Extensive Product Management Experience: 7+ years of product management experience in shipping consumer products, demonstrating a deep understanding of user needs.
Customer Focus: Deep compassion for users’ workflows and frustrations; hands-on experience conducting user research, synthesizing insights, and translating them into sophisticated product solutions.
Outstanding Communication Skills: Strong abilities capable of uniting cross-functional teams around a common vision, crafting compelling stories, and interacting with external partners and communities.
First Principles Thinking: You have a strategic & analytical approach. You feel comfortable creating multi-year roadmaps, defining objectives and key results and using data to validate hypotheses and advice trade-offs.
Strategic Drive: Ability to work independently at high velocity while aligning with the overall strategy.
Mission-Driven: Passion for open source, user privacy, and building products that respects people’s time, attention, and well-being.

Don’t tick all of the boxes, but think you’d be a great addition to the team? Apply, we’d love to hear from you!

What you’ll get:

Generous performance-based bonus plans to all regular employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#LI-REMOTE

ReqID: R2816

Hiring Ranges:

US Tier 1 Locations

$194,000—$259,000 USD

US Tier 2 Locations

$179,000—$239,000 USD

US Tier 3 Locations

$165,000—$220,000 USD

Senior Product Manager - Profiles

Thu, 31 Jul 2025 18:34:09 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About the Role:

We are looking for a Senior Product Manager to join our team and help grow our interconnected ecosystem of services that power Mozilla products. This role is focused on Mozilla’s experimentation platform that supports Mozilla products in running experiments, making data-driven decisions, and iterating towards growth.

What you'll do:

Drive product strategy for Firefox Profiles
Align product vision with technical capabilities, articulating design feedback to increase the odds of product success.
Define and execute a roadmap for the infrastructure that supports Mozilla products in scaling and growing.
Collaborate closely with cross-functional and cross-team stakeholders to ensure goal alignment.
Contribute to Firefox strategy and inform of best practices.
Ensure production-level support for internal customers.
Serve as an advocate for Mozilla products while supporting PXI business goals.

What you'll bring:

Expertise as a product manager with a track record for managing back-end services.
Passion for experimentation and prior experience running experiments on software products.
Track record of using data to set goals and measure progress
Learn new and complex topics and systems quickly while leading a team.

Minimum Qualifications

Many years of experience in software product management.
Prior experience in supporting internal customers.
Direct experience partnering with engineering teams and leading software development process

Bonus Points

Strong technical background
Prior experience in software integration projects.
Passion for open source technologies

What you’ll get:

Generous performance-based bonus plans to all regular employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#LI-REMOTE

ReqID: R2822

Hiring Ranges:

US Tier 1 Locations

$163,000—$217,000 USD

US Tier 2 Locations

$150,000—$200,000 USD

US Tier 3 Locations

$138,000—$184,000 USD

Sync Software Engineer

Sat, 26 Jul 2025 07:46:55 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders – only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

The Sync team is looking for a senior software engineer who is motivated by curiosity, continuous learning and working collaboratively in the open. If you already know why Rust is the most-loved programming language (or maybe you are ready to learn it and love it too), we'd like to talk with you about joining Mozilla, where you can help our small, distributed team bring the connected Firefox experience to more of our global users.

What you’ll do:

Provide Firefox users with a seamless experience to access and control their personal and browsing data (history, bookmarks, logins and more) across all of their devices.
Help us evolve the Application-Services library at the core of our sync and storage features, and continue to support its implementation in Firefox on all platforms.
Grow your knowledge of the Firefox browser to support Sync and Send/Close tab functionality across devices.
Partner with engineers on and off the Sync team to deliver features that strengthen the utility and agency of Firefox for our users.
Provide constructive feedback, timely reviews and well-documented ideas to help us improve our team practices and skills.

What you’ll bring:

You enjoy and have experience using low-level languages such as C++, Golang or Rust to solve tough problems.
You have strong knowledge of web or native application development in JavaScript, Kotlin or Swift and have shipped complex applications at scale.
You are trusted to work independently because you coordinate with your colleagues to understand the business value, operational impact and security implications of your changes.
You clearly express your ideas and increase your impact by sharing what you learn through documentation and demos.

What will make this even better:

You are comfortable working collaboratively with a remote and globally distributed team, often iterating on ideas asynchronously.
You want what you ship to have a positive impact on the user experience, as well as the team's objectives.
You are curious by nature and enjoy taking on complex tasks that are outside your existing knowledge domain – but you’re not afraid to seek help when needed.
You've also worked with multi-functional teams on desktop or mobile applications.

What you’ll get:

Generous performance-based bonus plans to all eligible employees – we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits: life/AD&D, disability, EAP, etc. (varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-REMOTE #DNI

ReqID: R2827

Hiring Ranges:

US Tier 1 Locations

$137,000—$199,000 USD

US Tier 2 Locations

$126,000—$183,000 USD

US Tier 3 Locations

$116,000—$169,000 USD

Staff Financial Analyst, Corporate Finance

Mon, 28 Jul 2025 18:16:19 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

About this team and role:

Mozilla Finance is responsible for strategic resource allocation and oversees day-to-day financial operations as it scales its mission impact with new and existing products, technology, and business models to serve users better and advance an agenda for a healthier internet.

We’re seeking a results-oriented Staff Financial Analyst to lead core financial planning processes, reporting, and strategic analysis. This role will be responsible for consolidating forecasts, driving budget discipline, partnering across functions, and enhancing our reporting infrastructure through automation and tooling (Pigment, Looker, etc.). This role reports to the Head of FP&A and works closely with senior leaders across the organization.

To succeed, you will need to proactively develop creative solutions to abstract strategic problems, deliver your work in a compelling format, and balance big picture thinking with outstanding attention to detail. Seeking a proactive great teammate to collaborate with Finance and company colleagues, complete tasks, and excel in a fast-paced environment.

What you’ll do:

Be an effective and memorable presenter, combining storytelling with content and delivery to persuade and encourage teams to take action and prioritize resources
Lead the team through the monthly forecast cycle, including preparation and presentation of insights to Finance leadership
Drive our consolidated planning process and maintain integrated financial models (e.g., near/long-range forecasts, scenario planning, variance analysis)
Develop executive-level reporting, including monthly dashboards, management packages, and Board materials
Improve and automate existing reporting processes in Pigment, Looker, and related tools
Translate business strategies into financial impact through investment evaluation, sensitivity modeling, and ROI analyses
Support transformation of legacy reporting processes to scalable, forward-looking tools and frameworks that deliver accurate and insightful information to the management team with speed and reliability
Partner with accounting during close cycles to ensure accuracy in reported financials and alignment between actuals and forecasts
Contribute to the development and maintenance of three-statement models and scenario-based forecasts

What you’ll bring:

3+ years experience of independently managing budgets and forecasting
5+ years of experience in Corporate FP&A, preferably with experience in a high-growth or tech-enabled environment
Bachelor degree in a quantitative field, such as Finance, Statistics, Economics, or Business
Experience using planning tools (Pigment, Adaptive, etc.) required
Experience with Netsuite highly preferred, Workday a plus
Must exhibit ability to create compelling visualizations and presentations
Involvement with month-end close and a strong understanding of financial and accounting principles
Deep understanding of 3 statement financial modeling and accounting concepts
Flexibility (open to change) and ability to learn on the fly
Candidates must possess substantial experience with financial modeling and advanced spreadsheet and data modeling skills (including VBA, array functions, Power Pivots, etc) – to develop sophisticated and scalable models
Familiarity with Looker a plus, with ability to tackle, and succeed with, a diverse array of projects that require varying skills, including Python, R, or SQL
Strong attention to detail; analytical and inquisitive nature
An appetite to take on increased responsibility and grow your career
Excellent written and verbal communication skills
Strong interpersonal skills with the ability to influence through creating fellowship

Success Factors

You will likely be happy and productive in this role if you…

Get things done and can move quickly and smartly to set goals and then develop plans to deliver and achieve them
Are analytical. You know how to crunch data in Excel and build compelling presentations
Have a strong builder mentality and can bring order to uncertainty, especially without direction
Passionate about continuous improvement. Are able to effectively challenge the status quo and plan forward-looking roadmaps

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program

Other benefits (life/AD&D, disability, EAP, etc. (varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#LI-DNI

Req ID: R2831

Staff Software Engineer, Desktop Integration

Sat, 26 Jul 2025 07:47:42 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

About this team and role:

The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. We are responsible for making the things you see in the browser work securely, quickly, and well! The desktop team is a multi-functional team that focuses on updates, installs and integrating Firefox with different OS platforms. As part of the team, you will be responsible for all things related to OS integration and helping us grow our user base.

Our team is geographically-distributed, and working in the open is the norm. We contribute to the code driving Firefox on a number of desktop platforms - Windows, Linux, and macOS.

What is a Staff Software Engineer?

A Staff Software Engineer is the next level up from a Senior Software Engineer. At Mozilla this role can vary, but typically a staff engineer supports an engineering team, providing technical leadership, building cross-team relationships, and helping the team deliver on their objectives.

What you’ll do:

Develop, innovate, and ship the next experience of Firefox features through installs, updates, and improved OS integrations.
Improve the ease of use and security of Firefox in large deployments by developing better administration tools.
Assess what work supports the team and product roadmap and make insightful recommendations in regards to priorities.
Work with expert software engineers to further develop your understanding of the Windows, macOS and Linux platforms.
Optimize the quality of Firefox by hunting down and fixing software defects, improving the experience of hundreds of millions of users.
Work with a geographically-distributed development team.

What you’ll bring:

Experience with systems programming on a major desktop platform (Windows, macOS or Linux).
Development experience on Windows and/or macOS, particularly with low-level Win32/Cocoa API coding.
A solid understanding of C/C++ and some knowledge of Rust.
You are an excellent communicator and have participated effectively on a distributed team.
You’re pragmatic about how to move things forward in specific timeframes including trade-offs and safeguards when implementing new functionality.
Experience working collaboratively with product managers, project managers, and/or other non-engineering teams.

Bonus Points

Professional programming experience in Rust.
You have developed cross-platform desktop applications, particularly when this involves low level systems programming.
You have previously successfully contributed to an open source project.

We value a variety of voices within our team and at Mozilla. You don't need to check every box on this list to apply.

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#LI-DNI

Req ID: R2837

Senior Growth Product Manager

Sat, 26 Jul 2025 07:47:54 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

The Firefox Desktop Growth team focuses on driving sustainable user growth by optimizing user activation, engagement, and retention through product-led strategies. As a Growth Product Manager, you'll lead cross-functional teams in running impactful experiments and crafting engaging habit loops.

What you’ll do:

Lead cross-functional teams to develop and execute product growth experiments aimed at increasing activation, onboarding success, and user engagement.
Craft and refine engagement loops through thoughtful product features, experiences, and messaging.
Analyze and interpret experiment data using analytics tools and SQL to identify actionable insights and growth opportunities.
Collaborate closely with engineering, design, data science, and marketing to drive alignment, accelerate product decisions, and achieve the best outcomes for users and the business.
Identify and advocate for strategic initiatives that enhance user retention and deepen engagement across desktop experiences.

What you’ll bring:

Minimum 3+ years of experience running product experiments aimed at improving activation (onboarding) and engagement.
Proven track record of building and optimizing engagement loops.
Experience building products for Windows, macOS, and Linux.
Demonstrated success in enhancing user activation through innovative onboarding solutions.
Strong data literacy, including proficiency with product analytics tools (Amplitude, Mixpanel, etc.), bi-tools (Looker, Tableau, SQL, and leveraging data to inform product and strategy decisions.
A robust growth mindset, characterized by curiosity, adaptability, and eagerness to learn from outcomes, especially failures.
Familiarity and experience applying the growth concepts taught by Reforge.
Comfort and experience in leading cross-functional teams to deliver measurable outcomes.
Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity and inclusion

Group: D

#LI-REMOTE #DNI

ReqID: R2839

Sr Staff Machine Learning Engineer, GenAI

Sat, 26 Jul 2025 07:48:24 +0000

Why Mozilla?

About this team and role:

The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. We are responsible for making the things you see in the browser work securely, quickly, and well! We are looking for a Senior Staff Machine Learning Engineer to help us develop and grow new machine learning driven products and tools. You will play a key role in enabling safe and healthy machine learning and AI driven experiences in Firefox.

Senior Staff Engineers are industry experts in their domain. They help define our product strategy and goals affecting multiple teams and turn our strategy into coordinated action for those teams. They mentor others through transfer of responsibilities to more junior engineers, so they can tackle new ones, while collaborating with management on building team consensus and providing direction.

What you’ll do:

Take on large open-ended problems and drive them to completion, collaborating with other designers and engineers to make the web a better place.
Identify strategic opportunities where Large Language models improve the experience in Firefox.
Lead the design, development, and integration of innovative AI and machine learning models in Firefox, collaborating cross functionally with product management, full stack engineering and design.
Stay up-to-date with the latest advancements in AI, and inform feature development, and ensure our methodologies remain innovative and relevant.
Lead by example to upskill the team on AI and generate thought leadership.

What you'll bring:

8+ years experience as an engineer in machine learning with experience building and shipping machine learning models in production environments for user-facing applications.
Experience with shipping LLMs and multimodal models in user-centric products.
Deep understanding of fundamental machine learning concepts, including deep learning, natural language processing, large language models, and reinforcement learning, with proven expertise in one or more of these areas.
Identify difficult problems that are important for the organization, collaborate across teams and the organization to find the best strategy to resolve.
Consistent track record of technical leadership across multiple teams, shipping AI products showing a high degree of collaboration, flexibility, and respect for different perspectives
Experience with tooling in the AI ecosystem, that are open source and services in the cloud(such as GCP, AWS, Azure)
Experience with design of experiments, survey design, and large-scale AB testing
Experience with responsible AI, transparent algorithms, and putting users’ needs first.
You’re pragmatic about how to move things forward in specific timeframes including trade-offs and safeguards when implementing new functionality.
Lead and thrive effectively on a distributed team.

Bonus Points

Experience with working on on-device machine learning models.
You have previously successfully contributed to an open source project.
Experience with the browser architecture or ecosystem.

We value a variety of voices within our team and at Mozilla. You don't need to check every box on this list to apply.

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#LI-REMOTE

ReqID: R2843

Hiring Ranges:

US Tier 1 Locations

$216,000—$288,000 USD

US Tier 2 Locations

$199,000—$265,000 USD

US Tier 3 Locations

$184,000—$245,000 USD

Senior Machine Learning Engineering Manager, GenAI

Sat, 26 Jul 2025 07:48:31 +0000

Why Mozilla?

About this team and role:

The Firefox Machine Learning team is building and scaling AI-powered features across Mozilla’s flagship product to make the browser smarter, more helpful, and more human-centered. As a Senior Manager of this team, you will lead the engineering and ML efforts to develop, train, and ship Generative AI models and features that integrate directly into Firefox, shaping the way millions of users interact with the web every day.

You will guide a team of highly skilled ML engineers working at the intersection of user experience, privacy, and innovative research, driving Mozilla’s vision for making powerful AI accessible to everyone.

What you’ll do:

Lead and grow a team of ML engineers developing Generative AI models and integrating them into Firefox experiences.
Drive end-to-end machine learning product development—from research and prototyping to model training, evaluation, deployment, and iteration in production.
Collaborate cross-functionally with product, research, design, and platform teams to deliver user-facing features powered by proprietary and open-source AI models.
Define technical strategy and execution plans for ML initiatives aligned with Mozilla’s mission and Firefox’s product roadmap.
Champion engineering excellence, inclusion, and a user-first perspective in every phase of feature development.

What you’ll bring:

10+ years of experience in machine learning, with 5+ years in technical management roles.
5+ years of experience building and deploying ML or Generative AI systems in production environments, including experience with LLMs, transformers, or multimodal models.
Proven track record of managing high-performing engineering teams in shipping AI features to millions of users.
Deep expertise in modern ML development frameworks (e.g., PyTorch, TensorFlow), scalable training/inference infrastructure, and MLOps practices.
Experience with on-device machine learning model development and deployment is a strong plus.
Familiarity with privacy-preserving ML techniques such as differential privacy or federated learning is a plus.
Master’s degree or Ph.D in Computer Science, Machine Learning, or a related field (or equivalent industry experience).
Strong communication skills with the ability to translate complex technical concepts into collaborative plans with cross-functional collaborators.
Commitment to our values:
- Welcoming differences – Foster an inclusive and equitable team environment.
- Being relationship-minded – Build trusting partnerships across Mozilla and the broader community.
- Practicing responsible participation – Promote ethical and privacy-aware use of AI.
- Having grit – Lead through ambiguity and pursue impactful goals with persistence and creativity.

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country-specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#LI-REMOTE

ReqID: R2844

Hiring Ranges:

US Tier 1 Locations

$241,000—$322,000 USD

US Tier 2 Locations

$222,000—$296,000 USD

US Tier 3 Locations

$205,000—$273,000 USD

Staff Product Designer

Sat, 26 Jul 2025 07:48:33 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

The Firefox UX team works on products and services that keep the Internet open and accessible for all. We, Mozilla, a corporation fully owned by a non-profit are focused on a mission to advance a healthy internet. We put people first in everything we do.

As a Staff Product Designer, with a strong foundation in visual and interaction design, you will take a strategic lead in shaping the future of Firefox on Android and iOS, with a strong emphasis on delivering best-in-class native experiences. Prioritizing Android, you’ll apply deep knowledge of platform-specific design patterns to craft intuitive, high-quality mobile interfaces. You’ll raise the bar on visual and interaction design across platforms—ensuring every detail reflects polish, clarity, and usability. Collaborating closely with product managers, engineers, researchers, and content strategists, you’ll advocate for user needs while aligning with Mozilla’s mission of privacy and user empowerment.

What You’ll Do:

Lead UX efforts for major initiatives in Firefox Mobile, with a strong focus on visual craft and interaction design. You'll translate user needs and business goals into polished, intuitive experiences that feel native and high-quality on every touchpoint.
Design and prototype intuitive, accessible, and visually compelling mobile experiences that support Firefox’s core values of privacy, security, and performance.
Create design storyboards, wireframes, mockups, and prototypes to communicate intent and for conducting qualitative and quantitative research
Collaborate with product, engineering, and research teams to align design decisions with business objectives, technical feasibility, and user needs.
Advocate for mobile-first UX best practices, ensuring high usability across different devices and screen sizes.
Contribute to and evolve the Design System, ensuring consistency and usability across mobile platforms.
Support product strategy from concept to completion for critical user journeys and finding opportunities

What You Bring:

7+ years of experience in UX design, with a strong portfolio showcasing mobile-first design work.
Deep expertise in native design languages, with a strong focus on Android and complementary experience in iOS. Well-versed in platform-specific patterns, guidelines, and best practices to deliver intuitive, high-quality mobile experiences.
Strong ability to balance user needs, business objectives, and technical feasibility in design decisions.
Experience designing for privacy, security, and accessibility in mobile applications.
Proficiency with Figma
Highly collaborative
Excellent verbal and written communication skills
Comfortable presenting and articulating design decisions
Interest in working with geographically distributed cross-functional team members
Passionate about building products with people’s needs at the center
Strong collaboration and communication skills, with the ability to present design concepts and advocate for UX decisions with cross-functional stakeholders.
Experience working with design systems and contributing to their evolution.
Ability to work in a fast-paced, iterative, and remote-first environment.
Ability and interest in learning new technologies quickly
Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

Bonus Points:

Experience with browser UX design or working on consumer-facing products with large user bases.
Deep understanding of developing products that prioritize accessibility
Familiarity with Jira and/or other engineering and product management tools
Passion for open-source, privacy-first, and ethical technology.
Experience with design thinking and lean software development
Knowledge of user research methodologies and when to apply them

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#LI-REMOTE #DNI

ReqID: R2846

Senior Backend Engineer

Sat, 26 Jul 2025 07:48:35 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

What is a Senior Software Engineer at Mozilla?

About this team and role:

We’re growing the Mozilla Ads product team, focused on display advertising in Mozilla products that is privacy-respecting and values-aligned. You will be responsible for designing, building, and owning the core backend systems that support advertising in clients (Firefox, MDN, Pocket, etc). You and your team will be the subject matter experts when it comes to advertising, providing guidance and shepherding to various product teams across Mozilla.

What you’ll do:

Participate in development of industry leading privacy preserving ad technology.
Leverage your understanding of product strategy to break down and deliver on key projects on our roadmap
Mentor others by stewarding some of your responsibilities to more junior engineers
Be a go-to resource for Mozilla’s ad stack to peers in partner teams

What you’ll bring:

4+ years of overall software engineering experience.
Proven ability to successfully lead and ship large software projects with speed and quality.
Experience in working on complex backend systems at scale
Experience in one of the following technologies: Golang, Rust, or Java.
An interest and ability to work in a distributed team (which requires good asynchronous written communication skills as well as good verbal communication skills).
Commitment to our values:
- Welcoming differences
- Being relationship-minded
- Practicing responsible participation
- Having grit

Bonus Points for:

Experience in data privacy
Experience in digital advertising or advertising platforms

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-DNI

Req ID: R2849

Senior Backend Engineer

Sat, 26 Jul 2025 07:48:41 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

What is a Senior Software Engineer at Mozilla?

About this team and role:

What you’ll do:

Participate in development of industry leading privacy preserving ad technology.
Leverage your understanding of product strategy to break down and deliver on key projects on our roadmap
Mentor others by stewarding some of your responsibilities to more junior engineers
Be a go-to resource for Mozilla’s ad stack to peers in partner teams

What you’ll bring:

4+ years of overall software engineering experience.
Proven ability to successfully lead and ship large software projects with speed and quality.
Experience in working on complex backend systems at scale
Experience in one of the following technologies: Golang, Rust, or Java.
An interest and ability to work in a distributed team (which requires good asynchronous written communication skills as well as good verbal communication skills).
Commitment to our values:
- Welcoming differences
- Being relationship-minded
- Practicing responsible participation
- Having grit

Bonus Points for:

Experience in data privacy
Experience in digital advertising or advertising platforms

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-DNI

Req ID: R2853

Staff Software Engineer, IAM

Wed, 06 Aug 2025 20:00:12 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this role:

Mozilla IAM team seeks a Staff Software Engineer to rebuild our Identity and Access Management (IAM) system. Our IAM modernization project aims to enhance scalability, security, user experience, and position IAM as a platform offering within the infrastructure organization. This role would report through our SRE organization.

What you’ll do:

Architect and lead IAM system redesign, emphasizing user experience and scalability.
Guide technical decision-making and adoption of user-centric solutions.
Guide team members and promote engineering standard methodologies, with a focus on usability and maintainability.
Facilitate cross-functional collaboration for efficient and cohesive platform delivery.
Drive automation and self-service capabilities in IAM, ensuring robust security, compliance, and improved user satisfaction.
Meet with engineering teams across Mozilla to understand their needs and concerns around access management.
Document standard methodologies and design guidelines
Be trusted to resolve unclear but urgent tasks

What you’ll bring:

8+ years experience in software engineering with at least 5 years of extensive IAM expertise.
Proven technical leadership experience.
Expertise in AuthN, AuthZ, and access governance.
Deep knowledge of identity lifecycle management and access governance.
Proficient in Python, JavaScript.
Strong expertise in GCP and cloud-native technologies.
Excellent communication skills aligning technology with user needs and organizational goals.
Self-starter who thrives in ambiguity.
Curiosity and interest in learning new things
Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

Bonus points for…

Experience with distributed systems architecture and design
Knowledge of cloud security principles (especially around IAM)
Open source software involvement

What you’ll get:

Generous performance-based bonus plans to all regular employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: C

#LI-DNI

Req ID: R2857

Senior Software Engineer - Mobile Android

Sat, 26 Jul 2025 07:49:51 +0000

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

The opportunity

We’re looking for a Senior Android Engineer to help evolve Firefox for Android—an open-source browser with over 100 million downloads on the Google Play Store. In this role, you’ll shape architecture, mentor engineers, and drive technical direction while contributing to a product that reflects Mozilla’s values of openness, innovation, and privacy.

If you're passionate about building high-impact software and want to help create a healthier internet for everyone, we’d love to hear from you.

What you’ll do

Build, debug, and ship Android features and solutions that promote a healthy and inclusive internet
Become a member of a hardworking, diverse, and geographically distributed team responsible for the Firefox mobile applications and our ecosystem of open-source Android components
Collaborate with partners to understand, define, clarify scope, solidify requirements, and drive initiatives
Effectively communicate the engineering development perspective and discuss sophisticated topics with technical and non-technical team members
Define and uphold standards for quality through constructive code reviews, bug fixing, testing, and coding practices
Work closely with specialist Gecko teams to bring browser functionality to Android
Address problems that span all levels from the Java API layer, to JavaScript and into the C++ browser engine
Provide solutions and feedback to Mozilla's lively and dynamic open-source community to improve our Android solutions and support Mozilla’s manifesto

What you bring

Several years of experience building complex applications for a broad and diverse user base using Java, Kotlin, and/or C++
Experience resolving problems, signaling risk, fostering change, and facilitating collaborative decision-making
Passion for building excellent products, and a sense of ownership that spans from design to investigating and squashing bugs.
Modern programming practices (code review, unit testing, automation)
Work as part of a team in a fast-paced environment to deliver well-designed, reusable, and high-quality code on time
Unafraid of asking questions, and proposing new insights if you think they will make a positive impact.
Desire to work with, learn, and grow with an outstanding group of people
Commitment to our values:
Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc.)varies by country

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-REMOTE

ReqID: R2861

Hiring Ranges:

US Tier 1 Locations

$137,000—$182,000 USD

US Tier 2 Locations

$126,000—$168,000 USD

US Tier 3 Locations

$116,000—$155,000 USD

Software Engineer

Thu, 31 Jul 2025 17:11:07 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

Join the global DOM: Core team of engineers passionate about the Web. We are the team responsible for page navigation, document loading, event handling, user interaction, and text editing in Gecko, the engine behind Firefox. You will implement standardized APIs like DOM, HTML, Events, Editor, and Clipboard. You will push the boundaries of what the Web is capable of. Your responsibilities will include writing code, tests, as well as building prototypes, solving problems, while continuously learning and growing as an engineer.

What you’ll do:

Improve the DOM, HTML, editing, user interaction capabilities of our Web engine, with a focus on performance, Web compatibility, and standards correctness
Read and implement API specifications, as well as contributing to the standards process by raising issues or participating in discussions
Develop and debug in a multi-language, multi-threaded and multi-process code base
Work primarily in C++ and write tests largely with HTML and JavaScript. You will learn on the job!
Collaborate with a geographically distributed development team. Working in the open is the norm

What you’ll bring:

Proficiency in and experience developing software in C++
Ability to learn a large and complex code base quickly
Comfortable contacting people and driving discussions
Motivated to learn new tools and techniques for improving existing software
Familiarity with one or more of the following, or ability to pick them up in a timely manner:

Multi-process architecture
Debugging memory usage or performance profiling
The modern Web technologies (JavaScript, HTML, and/or CSS)

Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: E

#LI-REMOTE #DNI

ReqID: R2863

Engineering Manager, Web Developer APIs and Tools

Tue, 05 Aug 2025 23:52:58 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

Are you excited about web technologies and the applications built on them that enrich users’ lives? Do you have a passion for helping engineers do their best work and grow in their careers?

We are hiring for two Engineering Manager positions:

Engineering Manager for the DOM team, responsible for the Gecko implementation of web standards including IndexedDB, Web Workers, Service Workers, Push API and Notifications API that powers websites people use via Firefox.
Engineering Manager for SpiderMonkey Javascript team, responsible for Mozilla's Javascript engine and Javascript standards (TC39), which power the web experiences for Firefox users.

Both of these teams work primarily in systems programming (like C++, Rust or WebAssembly) and write tests largely with HTML and JavaScript. Experience in systems programming or deep familiarity with low-level software architecture is highly valued.

What you’ll do:

Manage a team of software engineers working on storage, background, and system-level Web APIs and standards, or the SpiderMonkey Javascript engine and related standards
Mentor and guide a diverse team of engineers, inspiring collaboration, growing their careers, and empathizing with their needs
Owner of the team roadmap, and working closely with platform peer managers, product management and technical leads, to manage risks, balance resources and clear blockers
Assign work to team members according to individuals abilities, while in parallel collaborating with the team to deliver major initiatives on clear timelines
Ensure that your team delivers well-planned, high quality, and maintainable software
Collaborate openly with the open source community

What you’ll bring:

2+ years of hands-on people management experience
Experienced functional manager with proven skills leading a team of diverse engineers, with the ability to mentor team members that have different skill sets from your own
Proven project management skills, enabling leadership of the team to deliver and maintain complex software projects
Software engineering background, providing the experience needed to drive technical decisions and engage with engineers at all levels of seniority, while empowering tech leads as the primary designers and decision makers
Proficiency with software development lifecycle practices for triage, prioritization, and execution
Passion for resolving problems, managing risks, leading change and facilitating collaborative decision making
Experience working on performance-critical, memory-sensitive system software, or systems programming would help you stand out
Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-DNI

Req ID: R2873

VP, Community

Thu, 31 Jul 2025 14:00:35 +0000

VP, Community

The Mozilla Foundation is a nonprofit public benefit organization. Our mission is to ensure that the Internet is a global public resource, open and accessible to all. Join us and become part of our mission to promote openness, innovation, and opportunity online!

Twenty years ago, this meant building a browser and protecting the open web. Today, it also includes making sure AI and data driven technology is more trustworthy. In order to focus on places where Mozilla can impact the next era of our work, we are increasingly working on the topic of trustworthy AI. For us, this means especially two things: human agency is a core part of how AI is built and integrated, and corporate accountability is real and enforced.

Team

This role is part of Mozilla Foundation’s Executive team and reports directly to the Executive Director. The VP, Community will work across the organization to ensure community-centered approaches are deeply embedded into Mozilla’s programs, advocacy, and decision-making. This is a newly created, high-impact leadership role that will shape how Mozilla supports, stewards, and learns from its global communities.

As the VP, Community at Mozilla Foundation, you will…

Co-create Mozilla Foundation’s community strategy in collaboration with internal teams and external stakeholders.
Design and implement equitable systems for community participation, leadership, and input across Mozilla’s programs.
Develop mechanisms to surface community-defined priorities and ensure these are reflected in organizational strategy and resource allocation.
Facilitate connections within and across Mozilla’s global community, supporting mutual learning and shared power.
Create structures for healthy engagement, conflict transformation, and accountability within community spaces.
Support staff across the Foundation in community-centered practices and develop tools and processes that help them succeed.

Here are some projects you'll likely work on in your first 6 months:

Lead a cross-functional audit of Mozilla’s community infrastructure and identify opportunities to create more durable, inclusive, and scalable systems.
Establish meaningful community health metrics and participatory evaluation frameworks.
Partner with product and advocacy teams to co-design community pathways around Mozilla’s initiatives — from participatory datasets to prosocial tech campaigns.
Develop and facilitate a network of community collaborators to support Mozilla Festival and other key events.

Your Professional Profile:

Proven experience building, facilitating, or stewarding diverse communities or networks with purpose and care.
Strong track record in community organizing, developer relations, networked products, civic engagement, or a related field.
Demonstrated ability to center justice, navigate power dynamics, and foster inclusive, equitable spaces.
Experience leading participatory processes and evaluating community health and impact in meaningful, relational ways.
Skilled in consensus building, conflict facilitation, and collaborative decision-making.
Experience working with global networks across varied cultural contexts.
Ability to align internal teams around community-centered priorities.

We Are Excited To See Any Additional Experience With:

Familiarity with privacy-focused communities or products.
Comfort working across a federated or decentralized organizational model.
Appreciation of Mozilla’s Community Participation Guidelines and a commitment to open, transparent engagement.
Experience building multilingual and accessible engagement environments.

Salary and Benefits Information:

The Mozilla Foundation is dedicated to fair and equitable compensation for our staff. We aim to pay a competitive and market-based salary based on the responsibilities and requirements of the role. We do not ask for, or take into account, salary histories in our offer process.

The starting salary ranges for this role are listed below. These four countries are where we most commonly employ staff.

Germany: €163,281.60 - €183,691.02
UK: £143,758.80 - £161,727.96
Canada: $281,880.00 - $317,113.65
US: $208,800 - $234,899

Some regions fall into a higher salary market and this is reflected in the example ranges below:

London: £169,128.00 - £190,268.19
New York: $261,000 - $293,623.75
Bay Area: $261,000 - $293,623.75

The range for your specific location will be discussed in screening conversations if your application is successful.

We offer the following benefits:

Private Medical Insurance
Extended Sick Leave
Global Employee Assistance Program (EAP)
Retirement Plan contributions
Paid Time Off: 20 days annual leave + sick days and your birthday
Company Holidays + Shutdown
Wellness budget
Professional Development budget
Top up program for Pregnancy and Parental leaves

Benefits are subject to change at any time at the discretion of Mozilla Foundation.

Mozilla Foundation Hiring Practices:

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, and persons of all sexual orientations and gender identities and expressions.

We are an equal opportunity employer and value diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation at accommodation@mozillafoundation.org.

Group: E#LI-REMOTE

Manager, Recruiting Operations

Sat, 26 Jul 2025 07:52:11 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

The Talent Acquisition team plays a critical role in ensuring we hire exceptional people who align with our mission and values. We’re a lean, high-impact team that values creativity, clarity, and systems thinking! We’re looking for a Manager of Recruiting Operations to help us improve and strengthen how we hire at Mozilla. This role is both strategic and hands-on. You’ll lead a team focused on simplifying, refining, and enhancing the systems, workflows, and tools that power our hiring process. You’ll report to our Director of TA and work closely with recruiters, PBPs, and finance partners to create a more agile, insight-driven operation.

We’re seeking someone deeply systems-savvy. Someone who’s comfortable assessing what’s working, identifying what needs to change, and thoughtfully improving our existing processes. You’ll also bring strong people leadership experience to coach and support a high-performing team.

A key focus will be leveraging AI tools and automation thoughtfully to improve efficiency, reduce manual work, and enhance the experience for candidates and hiring managers.

What you'll do:

Lead and manage the Recruiting Operations team, providing structure, coaching, and guidance.
Own our recruiting systems and workflows, including Greenhouse, Jira, and integrations with Workday, HireEZ, and AI-driven tools.
Identify opportunities to simplify and improve core recruiting processes based on business needs.
Partner with finance and HR to build frameworks for headcount planning, prioritization, and TA capacity tracking.
Lead development of recruiting dashboards and reporting in collaboration with data and people analytics partners.
Build playbooks and enablement resources that enhance the recruiting experience for candidates, hiring managers, and internal stakeholders.
Apply AI and automation solutions to drive greater efficiency and reduce manual overhead in recruiting operations.
Operate with agility, balancing immediate business needs with ongoing process improvement.

What you'll bring:

8+ years of experience in recruiting operations, people operations, or talent systems roles, with 3+ years of direct people management experience.
Strong background in managing ATS systems and workflows (Greenhouse experience preferred).
Experience translating recruiting data into actionable insights and recommendations.
Success leading cross-functional projects involving both technical systems and human processes.
A flexible, systems-oriented approach with the ability to zoom out strategically and zoom in tactically.
Strong communication and collaboration skills across technical and non-technical teams.

Bonus Points For

Experience in mid-market or global environments undergoing transformation.
Familiarity with compensation workflows, headcount forecasting, and talent analytics.

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-DNI

Req ID: R2878

Senior Data Scientist

Thu, 31 Jul 2025 21:50:24 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

The Role

As a Senior Data Scientist, you are an inquisitive problem solver who is keen to practice full-stack data science, with experience ranging from crafting data extraction pipelines to finding patterns and anomalies in data. You have a strong curiosity and a desire to hone your technical skills further on a wide variety of real-world data. You believe that data science can lead to insights that can guide the future development of Firefox. You will apply your expertise in quantitative analysis, statistical modeling, and data visualization to see beyond the numbers and understand how our worldwide community experiences our products.

What you’ll do:

Help design and analyze experiments to understand ecosystems, user behaviors, and long-term trends
Build key data sets to empower operational and exploratory analysis
Advocate for strong analytical standards and methodologies across the organization
Be responsible for the definition, evaluation and reporting of key product metrics
Sit at the intersection between product, engineering, and leadership to advise, influence, support, and implement our product decisions
Help cultivate a culture of measurement to build a better Firefox

What you’ll bring:

Master’s or PhD in Data Science, Statistics, Computer Science, or a related field (physical, life, or social science)
2+ years of professional experience doing quantitative analysis, particularly in an Internet-focused, consumer-focused organization
Background in applied statistical modeling on large experimental or observational data sets
Experience extracting data from a variety of sources (solid understanding of SQL is required)
Proficiency with one or more programming languages: Python preferred
Effective and persuasive written and oral communication skills in English.
Ability to interpret large amounts of data, multi-task, and produce results independently or collaboratively in a team environment
Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

A global perspective in how to conduct research and understanding of cultural nuances
Experience working in a distributed, open-source oriented organization is a plus

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc.varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-DNI

Req ID: R2879

Executive Assistant

Fri, 25 Jul 2025 19:54:06 +0000

About Us

Mozilla Foundation is a nonprofit public benefit organization. Our mission is to ensure that the Internet is a global public resource, open and accessible to all. Join us and become part of our mission to promote openness, innovation, and opportunity online!

Position Summary

The Executive Assistant (EA) will play a critical role in enabling two senior leaders at Mozilla Foundation to operate at their highest level of impact. You’ll be responsible for managing complex calendars, coordinating meetings and travel, handling communications, and ensuring timely follow-through on key priorities and action items. By anticipating needs and removing friction, you will help our executives focus on what matters most.

As a strategic partner, the EA will also serve as a connective thread—identifying opportunities to streamline workflows, improve collaboration, and share insights across their portfolios. This role calls for exceptional judgment, discretion, and communication skills, as well as the ability to manage competing priorities and build strong relationships across teams and the organization.

We’re looking for someone who is proactive, highly organized, and excited by the opportunity to help shape how this role supports our leadership team. While this position will initially support two executives, as we refine and scale our leadership structure, executive pairings may shift over time. We’re committed to ensuring a thoughtful and supported transition should that occur.

As an Executive Assistant at Mozilla Foundation, you will:

Executive Support

Proactively and strategically manage complex and evolving calendars across time zones for the Foundation’s executives. This will involve: vetting meeting requests, ensuring executives are prepared for events, conference/video call setup, and assisting with meeting agendas.
Work effectively with the executives to keep them well informed of upcoming commitments and responsibilities, while tracking deadlines and following up on action items to ensure alignment and progress.
Work with relevant staff to schedule and plan logistics for VP media interviews, speeches or key external presentations.
Arrange sophisticated and detailed domestic and international travel plans, itineraries and agendas including support with schedule and route changes, possibly outside of normal working hours.
Assist with administrative tasks including: signature requests; invoice approvals; expense reports; credit card reports; Salesforce data; and composing and preparing correspondence.
Provide back-up EA support as needed during EA vacations or other leaves.

Team Coordinator & Communication

Serve as a liaison between executives and internal/external stakeholders.
Support organization-wide meeting scheduling and logistics including remote monthly staff meetings and in-person events, such as work weeks.
Plan, coordinate and occasionally facilitate a variety of remote and in-person meetings and events for both teams in concert with relevant leaders .
Attend relevant team, OKRs, and other strategic meetings to maintain a broad understanding of the work of the teams.
Collaborate with other EAs and (executive) program managers across Mozilla to streamline communication and improve processes.
Travel to accompany and support teams as needed, including internationally.

Strategic Support

Identify opportunities to streamline administrative and operational processes.
Anticipate needs and offer proactive solutions that increase efficiency.
Assist executives with the creation of documents, slide decks, and other team artifacts.
Track high-level organizational priorities and help ensure executive attention is focused appropriately.

Your Professional Profile:

At least 5 years of experience supporting senior executives or leadership teams in mission-driven or complex organizational environments.
Proven ability to follow through on commitments with an appropriate level of vitality and to quickly prioritize amongst sophisticated or contending priorities.
Excellent written communication skills to strategically convey sophisticated topics and detailed instructions concisely.
Ability to serve as a trusted representative of the VPs, both in written correspondence and in meetings as appropriate.
Strong time-management skills.
Proven attention to detail and outstanding follow-through on tasks and projects.
High level of discretion in cases of exposure to sensitive information.
Proven track record to customize logistics and schedules with leaders’ varying accessibility and lived experiences in mind.
Proven connector who works easily across time zones, contexts, and personalities.
Demonstrated passion for trying, learning, improving upon, and sharing best practices.
The ability to remain composed under pressure and to show outstanding judgment.
Experience with G-Suite, Zoom and synchronous/asynchronous work practices and platforms.
Experience scoping, planning, and facilitating both remote and in-person meetings and events.
Experience working with CRM systems.

We Are Excited To See Any Additional Experience With:

Program or project management experience
Development of decks, one-pagers, collateral, design and/or data visualization experience is a plus
Event planning
Travel administration

Salary and Benefits Information:

Mozilla Foundation is dedicated to fair and equitable compensation for our staff. We aim to pay a competitive and market-based salary based on the responsibilities and requirements of the role. We do not ask for, or take into account, salary histories in our offer process.

The starting salary ranges for this role are listed below. These four countries are where we most commonly employ staff:

Germany: €40,116.60 - €45,063.45 (target offer: €41,354.12)
UK: £33,242.40 - £37,341.58 (target offer: €41,354.12)
Canada: $69,255.00 - $77,794.97 (target offer: $71,391.38)
US: $51,300.00 - $57,625.90 (target offer: $52,882.50)

Some regions fall into a higher salary market and this is reflected in the example ranges below:

London: £41,553.00- £46,676.98 (target offer: £42,834.83)
New York, Bay Area: $64,125.00 - $72,032.38 (target offer: $66,103.13

The range for your specific location will be discussed in screening conversations if your application is successful.

We offer the following benefits:

Private Medical Insurance
Extended Sick Leave
Global Employee Assistance Program (EAP)
Retirement Plan contributions
Paid Time Off: 20 days annual leave + sick days and your birthday
Company Holidays + Shutdown
Wellness budget
Professional Development budget
Top up program for Pregnancy and Parental leaves

Benefits are subject to change at any time at the discretion of Mozilla Foundation.

Mozilla Foundation Hiring Practices:

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, and persons of all sexual orientations and gender identities and expressions.

Senior Data Scientist

Tue, 05 Aug 2025 16:49:33 +0000

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

About this team and role:

As a Senior Data Scientist on the GTM Data Science team, you will drive the analytical backbone of Mozilla’s revenue optimization and business development efforts. This role is ideal for a technically strong and commercially minded data scientist who thrives at the intersection of analytics, predictive modeling, and business strategy. You will own and deliver advanced forecasting models, help define and monitor business KPIs, and partner with stakeholders across Product, Marketing, and Finance to guide decision-making using data.

You will also support Mozilla’s mission to build a better, privacy-respecting internet by enabling efficient, data-driven go-to-market strategies across geographies and products.

What you’ll do:

Design, own, and scale forecasting models that inform revenue planning, demand estimation, and growth strategies (e.g., product revenue and key revenue drivers), with a focus on automation and long-term reusability.
Build robust, well-documented data sets and forecasting pipelines that support both day-to-day operations and deeper strategic analysis across teams.
Develop clear, intuitive dashboards and tools in Looker to help teams explore data, track performance, and make fast, informed decisions.
Collaborate with GTM teams to build ROI-focused frameworks that drive insights across campaigns, markets, and customer segments.
Lead deep-dive analyses into user behavior, engagement, and monetization funnels to uncover opportunities and improve outcomes.
Break down complex business questions into clear analytical approaches, and communicate findings and trade-offs with clarity to cross-functional stakeholders.
Promote strong data quality and lead efforts to standardize key metrics across business functions.
Champion a data-driven culture by contributing to best practices, encouraging experimentation, and fostering continuous learning across the data science community at Mozilla.

What you’ll bring:

Master’s or PhD in Data Science, Statistics, Computer Science, or a related field
2+ years of professional experience doing quantitative analysis, particularly in an Internet-focused, consumer-focused organization
Background in applied statistical modeling on large experimental or observational data sets
Experience extracting data from a variety of sources (solid understanding of SQL is required)
Proven ability to build forecasting, causal inference, and time series models (ARIMA, Prophet, Bayesian approaches, etc.).
Proficiency with one or more programming languages: Python preferred
Effective and persuasive written and oral communication skills in English.
Ability to interpret large amounts of data, multi-task, and produce results independently or collaboratively in a team environment
Commitment to our values:

Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit

A global perspective in how to conduct research and understanding of cultural nuances
Experience working in a distributed, open-source oriented organization is a plus

What you’ll get:

Generous performance-based bonus plans to all eligible employees - we share in our success as one team
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
Quarterly all-company wellness days where everyone takes a pause together
Country specific holidays plus a day off for your birthday
One-time home office stipend
Annual professional development budget
Quarterly well-being stipend
Considerable paid parental leave
Employee referral bonus program
Other benefits (life/AD&D, disability, EAP, etc.varies by country)

About Mozilla

Commitment to diversity, equity, inclusion, and belonging

Group: D

#LI-DNI

Req ID: R2884