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.

Client Analytics Manager

Company: Mozilla

Location: USA

Posted Nov 21, 2025

The text describes a job opportunity at MozillaAnonym with competitive benefits including performance bonuses, comprehensive healthcare, retirement contributions, and professional development opportunities. It highlights Mozilla's mission to improve the internet and their commitment to diversity and inclusion, presenting the role as impactful and collaborative.

Staff Software Engineer - DOM Workers Storage

Company: Mozilla

Location: France

Posted Nov 20, 2025

Mozilla Corporation, a nonprofit-backed technology company, has shaped the internet for the better over the last 25 years. They make pioneering brands like Firefox, a privacy-minded web browser, and focus on diverse areas including AI, social media, and security. The company is wholly owned by the nonprofit Mozilla Foundation and is committed to making the internet better for people.

Senior Software Engineer - Web Services

Company: Mozilla

Location: UK

Posted Nov 21, 2025

MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation, develops open-source email and productivity tools like Thunderbird. They value privacy, user control, and collaboration with a global community. The company seeks a Senior Software Engineer to lead web services initiatives, focusing on JMAP, Python, and TypeScript. They offer competitive salaries, remote work, and a comprehensive benefits package.

Staff Software Engineer - DOM Workers Storage

Company: Mozilla

Location: Germany

Posted Nov 20, 2025

Mozilla Corporation, a nonprofit-backed technology company, has shaped the internet for the better over the last 25 years. They make pioneering brands like Firefox, a privacy-minded web browser, and focus on diverse areas including AI, social media, and security. The company is wholly owned by the nonprofit Mozilla Foundation and is committed to making the internet better for people.

Staff Software Engineer - DOM Workers Storage

Company: Mozilla

Location: UK

Posted Nov 20, 2025

Mozilla Corporation, a nonprofit-backed technology company, has shaped the internet for the better over the last 25 years. They make pioneering brands like Firefox, a privacy-minded web browser, and focus on diverse areas including AI, social media, and security. The company is wholly owned by the nonprofit Mozilla Foundation and is committed to making the internet better for people.

Full-Stack Staff Product Engineer

Company: Mozilla

Location: USA

Posted Nov 21, 2025

MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation, develops open-source privacy-centric productivity tools like Thunderbird. They are building a new AI assistant with a local-first architecture and an extension marketplace. The company seeks a full-stack staff product engineer with extensive experience in frontend development, React, TypeScript, and AI product development.

Senior Software Engineer - Web Services

Company: Mozilla

Location: USA

Posted Nov 21, 2025

MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation, develops open-source email and productivity tools like Thunderbird. They value privacy, user control, and collaboration with a global community. The company seeks a Senior Software Engineer to lead web services initiatives, focusing on JMAP, Python, and TypeScript. They offer competitive salaries, benefits, and a remote work environment.

Business Development Lead

Company: Mozilla

Location: Remote

Posted Nov 21, 2025

Mozilla Corporation, a nonprofit-backed technology company, has been shaping the internet for the better over the last 25 years. They make pioneering brands like Firefox, a privacy-minded web browser, and now have over 225 million users worldwide. The company focuses on diverse areas including AI, social media, security, and more, while maintaining their core mission of making the internet better for people. They are seeking a Business Development Lead to drive enterprise adoption of Firefox across Europe, focusing on pipeline generation, full-cycle deals, and expanding into scalable growth.

Business Development Lead

Company: Mozilla

Location: Remote

Posted Nov 21, 2025

Mozilla Corporation, a nonprofit-backed technology company, has been shaping the internet for the better over the last 25 years. They make pioneering brands like Firefox, a privacy-minded web browser, and are now seeking a Business Development Lead to drive enterprise adoption of Firefox across Europe. The role focuses on building pipelines, running full-cycle opportunities, and landing initial wins that expand into scalable, repeatable growth.

Senior Software Engineer - Web Services

Company: Mozilla

Location: USA

Posted Nov 21, 2025

MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation, develops open-source email and productivity tools like Thunderbird. They value privacy, user control, and collaboration with a global community. The company seeks a Senior Software Engineer to lead web services initiatives, focusing on JMAP, Python, and TypeScript. They offer competitive salaries, remote work, and a comprehensive benefits package.

Senior Software Engineer

Company: Mozilla

Location: UK

Posted Nov 21, 2025

Mozilla's mission to build an open internet drives their work on Firefox and open-source projects. They seek a Senior Software Engineer to enhance AMO, offering competitive benefits and a collaborative environment.

Staff Software Engineer - DOM Workers Storage

Company: Mozilla

Location: UK,Canada

Posted Nov 21, 2025

Mozilla Corporation, a nonprofit-backed technology company, is hiring a staff engineer for the DOM team. The role involves improving storage initialization reliability, advancing Gecko and the Web platform, shaping web standards, and collaborating across teams. The ideal candidate should have proficiency in C++, experience with multithreaded codebases, and strong problem-solving skills.

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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