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.

Senior Staff Analyst - GRC

Company: Mozilla

Location: Canada,UK

Posted Nov 15, 2025

Mozilla Corporation is a nonprofit-backed technology company that 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: Canada

Posted Nov 20, 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.

Senior Software Engineer - Firefox Desktop Integrations

Company: Mozilla

Location: Canada,UK

Posted Nov 16, 2025

Mozilla Corporation is a nonprofit-backed technology company that has shaped the internet for the better over the last 25 years. The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. The role of a Senior Software Engineer involves contributing to the development and improvement of Firefox features related to installs, updates, and OS integrations, as well as tackling platform-specific challenges in low-level operating system integration on Windows and/or macOS.

Full-Stack Staff Product Engineer

Company: Mozilla

Location: USA

Posted Nov 20, 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.

Staff Software Engineer - IAM

Company: Mozilla

Location: Remote

Posted Nov 16, 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 - IAM

Company: Mozilla

Location: Remote

Posted Nov 16, 2025

Mozilla Corporation, a nonprofit-backed technology company, is seeking a Staff Software Engineer to rebuild their Identity and Access Management (IAM) system. The role involves leading the redesign of the IAM solution, guiding technical decision-making, collaborating with cross-functional teams, and driving automation and self-service capabilities. The ideal candidate should have 10+ years of software engineering experience, with at least 5 years of IAM/IdP expertise, and a strong background in authentication, authorization, and access governance.

Staff Data Scientist - Operations

Company: Mozilla

Location: Remote

Posted Nov 15, 2025

Mozilla Corporation, a nonprofit-backed technology company, is seeking a Staff Data Scientist to support Global Operations. The role involves leading foundational reporting, automating workflows, and identifying opportunities to improve operational efficiency and performance across various teams. The ideal candidate will have a strong analytical toolkit, fluency in AI technologies, and experience in operational domains.

Staff Data Scientist - Operations

Company: Mozilla

Location: Remote

Posted Nov 16, 2025

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

Full-Stack Staff Product Engineer

Company: Mozilla

Location: Canada

Posted Nov 20, 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 generalist FullStack Staff Product Engineer with extensive experience in frontend development, React, TypeScript, and AI product development.

Senior Staff Analyst - GRC

Company: Mozilla

Location: USA

Posted Nov 16, 2025

Mozilla Corporation is a nonprofit-backed technology company that 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 committed to making the internet better for people and is wholly owned by the nonprofit Mozilla Foundation.

Staff Software Engineer - IAM

Company: Mozilla

Location: Remote

Posted Nov 16, 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.

Director of Product Management - Generative AI

Company: Mozilla

Location: Canada,UK

Posted Nov 16, 2025

Mozilla Corporation, a nonprofit-backed technology company, is seeking a Director of Product Management for Generative AI. The role involves leading the strategy to build AI-first experiences that improve productivity and discovery within the Firefox browser. The company values diversity, equity, inclusion, and belonging, and offers generous benefits to its employees.

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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