Jobs at Mozilla

Positions 1,418

Mozilla is the nonprofit behind the Firefox browser, championing an open, secure internet. Its mission centers on user privacy, free web standards, and community‑driven development. The company’s products power millions of devices worldwide and contribute to open‑source projects like Rust and WebAssembly.

Mozilla hires for a broad spectrum of roles, including software engineering, product management, UX design, data science, sales and marketing, and community engagement. Candidates often work in cross‑functional teams, use agile practices, and have opportunities to contribute to open‑source code or public policy initiatives. Remote work is common, with flexible hours and a focus on work‑life balance.

By reviewing Mozilla listings on Job Transparency, you gain access to real salary ranges, employee sentiment scores, and market comparisons. This data lets you benchmark offers, negotiate confidently, and choose roles that match your career goals and compensation expectations. Transparency also reveals remote‑work policies and benefits, helping you evaluate the full package before applying.

Staff Fullstack Engineer, Ads

Company: Mozilla

Location: Remote

Posted Jun 05, 2024

Mozilla is seeking a Staff Software Engineer for its growing Ads product team, focused on privacy-respecting display advertising. The role involves designing, building, and owning core systems for advertising in Mozilla products. The ideal candidate will have 7+ years of software engineering experience, expertise in back-end technologies like Golang, Rust, or Java, and front-end technologies like Javascript, React, or Node.js. The role requires mentoring junior engineers, collaborating with management, and contributing to industry-leading privacy-preserving ad technology.

AI Security Researcher - GenAI Bug Bounty

Company: Mozilla

Location: Canada,UK

Posted Jun 06, 2024

Mozilla Corporation, a non-profit technology company, is seeking an AI security researcher for its next-generation bug bounty program, 0din. The role involves driving innovation in AI security research, working with independent researchers, conducting independent research, creating content, and engaging with the community. The ideal candidate should have 3+ years of experience in software security, in-depth knowledge of application security vulnerabilities, comprehensive IT and information security knowledge, and development skills. Mozilla offers generous benefits including performance-based bonuses, rich medical coverage, retirement contributions, wellness days, and more. The company is committed to diversity, equity, inclusion, and belonging, and encourages applications from all backgrounds.

Program/Product Manager, GenAI Bug Bounty

Company: Mozilla

Location: Remote

Posted Jun 04, 2024

Mozilla Corporation, a non-profit technology company, is seeking a software product manager for its next-generation bug bounty program, 0din. The role involves launching, growing, and managing a community-driven bug bounty program, managing project scopes, creating content, engaging with developers, and streamlining the bug bounty portal product. The ideal candidate should have a demonstrated interest in bug bounty programs, 3+ years of software product management experience, in-depth knowledge of application security vulnerabilities, and a commitment to Mozilla's values. Mozilla offers competitive benefits, including performance-based bonuses, comprehensive health coverage, retirement contributions, and flexible leave policies.

Senior Mobile Engineer

Company: Mozilla

Location: Canada

Posted Jun 03, 2024

Mozilla Corporation, a non-profit technology company, is seeking a passionate and skilled engineer to join their Pocket team. The role involves owning key aspects of Pocket on Android and iOS platforms, creating a dynamic user experience, and collaborating with cross-functional teams. The company offers generous benefits, including performance-based bonuses, comprehensive health coverage, and opportunities for professional growth. Mozilla is committed to diversity, equity, inclusion, and belonging, and encourages applications from all backgrounds.

Director, Product Marketing - Firefox

Company: Mozilla

Location: USA

Posted Jun 02, 2024

Mozilla Corporation, a non-profit technology company, is seeking a Director of Product Marketing for Firefox. The role involves leading a team to grow the product, creating strategies for marketing, comms, and partnerships, and ensuring timely delivery of marketing activities. The ideal candidate should have experience in B2C product marketing, cross-functional team collaboration, and data analysis. They should also have excellent communication skills and the ability to work in a fast-paced environment. Mozilla offers competitive benefits including performance-based bonuses, health coverage, retirement contributions, and flexible work arrangements.

Staff Web Designer

Company: Mozilla

Location: USA

Posted Jun 03, 2024

Mozilla Corporation, a non-profit technology company, is seeking a Staff Web Designer to oversee and execute the design of marketing websites. The role involves collaborating with product and UX designers, leading design brainstorming sessions, and ensuring designs align with the Mozilla brand and mission. The company is committed to diversity, equity, inclusion, and accessibility, and offers competitive benefits including performance-based bonuses, rich medical coverage, and generous retirement contributions.

Program/Product Manager, GenAI Bug Bounty

Company: Mozilla

Location: Remote

Posted Jun 04, 2024

Mozilla Corporation, a non-profit technology company, is seeking a software product manager for its next-generation bug bounty program, 0din. The role involves launching, growing, and managing a community-driven bug bounty program, managing project scopes, creating content, engaging with developers, and streamlining the bug bounty portal product. The ideal candidate should have a demonstrated interest in bug bounty programs, 3+ years of software product management experience, in-depth knowledge of application security vulnerabilities, and a commitment to Mozilla's values. Mozilla offers competitive benefits, including performance-based bonuses, rich health coverage, retirement contributions, and flexible leave policies.

Senior Mobile Engineer

Company: Mozilla

Location: Canada,UK

Posted Jun 03, 2024

Mozilla Corporation, the non-profit-backed technology company, is seeking a passionate and skilled engineer to join their Pocket team. The role involves owning key aspects of Pocket on Android and iOS platforms, creating a dynamic user experience, and collaborating with cross-functional teams. The company offers generous benefits, including performance-based bonuses, rich medical coverage, and a commitment to diversity, equity, and inclusion.

Sr Site Reliability Engineer

Company: Mozilla

Location: Canada

Posted Jun 03, 2024

MZLA Technologies Corporation, a subsidiary of Mozilla Foundation, is seeking a Senior Site Reliability Engineer for Thunderbird, a global free and open source email client. The role involves designing and implementing infrastructure & automation to support Thunderbird's growth. The ideal candidate should have extensive experience in tech infrastructure, cloud-scale environments, and DevOps or SRE roles. They will work on site reliability engineering, ensuring system reliability, scalability, and performance. The position is fully remote with a competitive salary and comprehensive benefits package.

Program/Product Manager - GenAI Bug Bounty

Company: Mozilla

Location: UK,Canada

Posted Jun 06, 2024

Mozilla Corporation, a non-profit technology company, is seeking a software product manager with a demonstrated interest in bug bounty programs and 3+ years of experience. The role involves managing a community-driven bug bounty program, creating content, engaging with developers, and streamlining the bug bounty portal product. The company offers competitive benefits, including performance-based bonuses, comprehensive health coverage, and a commitment to diversity, equity, and inclusion.

Sr Site Reliability Engineer

Company: Mozilla

Location: USA

Posted Jun 03, 2024

MZLA Technologies Corporation, a subsidiary of Mozilla Foundation, is seeking a Senior Site Reliability Engineer for Thunderbird, a global free and open source email client. The role involves designing and implementing infrastructure & automation to support Thunderbird's growth, collaborating with cross-functional teams, and ensuring system reliability, scalability, and performance. The ideal candidate should have 10+ years of work experience, minimum 5 years in a tech infrastructure role, and experience in cloud-scale environments. They should possess strong communication skills, be able to self-direct work, and have experience with Python, Terraform, Helm, Cloudformation, Ansible, Jenkins, CircleCI, GitHub Actions, and excellent English communication skills. The position offers a competitive salary, comprehensive benefits, and a remote work environment.

Program/Product Manager, GenAI Bug Bounty

Company: Mozilla

Location: Remote

Posted Jun 04, 2024

Mozilla Corporation, a non-profit technology company, is seeking a software product manager for its next-generation bug bounty program, 0din. The role involves managing and growing a community-driven bug bounty program, creating content, engaging with developers, and streamlining the bug bounty portal product. The ideal candidate should have a demonstrated interest in bug bounty programs, 3+ years of software product management experience, and in-depth knowledge of application security vulnerabilities and secure web application development. Mozilla offers competitive benefits, including performance-based bonuses, comprehensive health coverage, and a commitment to diversity, equity, inclusion, and belonging.

Frequently Asked Questions

What is it like to work at Mozilla?
Mozilla fosters a collaborative culture where developers, designers, and policy experts co‑design products that protect user privacy. Employees enjoy open‑source contributions, flexible remote schedules, and regular hackathons. The mission‑driven environment emphasizes impact, so teams are rewarded for measurable improvements to the web and community outreach.
What types of positions are available at Mozilla?
Mozilla offers roles across software engineering, front‑end and back‑end development, data science, UX/UI design, product management, security, sales, marketing, community management, and public policy. Technical roles often require proficiency in languages such as Rust, C++, JavaScript, and Python, while non‑technical roles value project management, communications, and community engagement skills.
How can I stand out as an applicant?
Show a clear alignment with Mozilla’s values by highlighting open‑source contributions, privacy‑focused projects, or community outreach. Quantify past impact—e.g., code reviews, feature adoption, or user growth metrics—and tailor your resume to the specific role’s requirements. Prepare for Mozilla’s interview process by mastering technical challenges, practicing behavioral questions around collaboration and mission focus, and demonstrating curiosity about emerging web technologies.

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