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.

Marketing Activation Manager

Company: Mozilla

Location: Remote

Posted Jan 24, 2023

None Found

Staff Software Engineer, Pocket

Company: Mozilla

Location: Remote

Posted Jan 20, 2023

The job posting is looking for a Staff Software Engineer to help build scalable and modular systems, mentor fellow engineers, and contribute to product roadmaps. The company, Mozilla, is committed to an internet that elevates critical thinking, reasoned argument, shared knowledge, and verifiable facts.

Staff Security Engineer - Cloud and Crypto Architecture

Company: Mozilla

Location: Remote

Posted Jan 13, 2023

Mozilla is looking for an experienced Security Engineer to increase the security of their systems and applications. The role involves designing, building, and deploying repeatable security frameworks, working with SRE teams and partner teams, ensuring crypto operational services are up to date, and protecting the services that Mozilla Corporation and its products depend on from attacks and abuses.

Data SRE Manager

Company: Mozilla

Location: Remote

Posted Jan 16, 2023

The job posting is for a Data SRE Manager position at Mozilla, requiring a strong background in computer science, SRE experience, and leadership skills. The role involves managing data infrastructure, empowering a team, and driving improvements. Mozilla values diversity, equity, and inclusion.

Site Reliability Engineer, Services

Company: Mozilla

Location: Remote

Posted Jan 13, 2023

Mozilla's SRE Team is looking for a Site Reliability Engineer to help build and maintain infrastructure for Firefox, Mozilla's web properties, and upcoming products. The role involves working closely with engineering and product teams, improving existing systems, building new infrastructure, and eliminating toil.

Senior Software Engineer - Networking

Company: Mozilla

Location: Remote

Posted Jan 08, 2023

The Mozilla Corporation's Gecko networking team is looking for skilled developers to work on a first-class networking stack and improve web experiences for millions of Firefox users. The team is working on the core of the browser that moves the web. The role involves improving Firefox's web browsing experience, designing and implementing new web platform features, debugging and fixing problems, and working cooperatively with other Mozillians.

Staff Software Engineer - Android

Company: Mozilla

Location: Remote

Posted Jan 20, 2023

The job posting is looking for an Android engineer to work on the Pocket app, which has a strong reputation for its user experience. The company values diversity, equity, and inclusion, and offers a range of benefits and opportunities for growth.

Software Engineer - Media Playback

Company: Mozilla

Location: Remote

Posted Jan 23, 2023

None Found

Staff Product Data Scientist

Company: Mozilla

Location: Remote

Posted Jan 23, 2023

None Found

Staff Product Designer

Company: Mozilla

Location: Remote

Posted Jan 20, 2023

Mozilla is hiring a Staff Product/UX Designer to help explore new product domains, shape innovation strategy, and design experiences. The role requires a thoughtful and capable designer with experience in creative problem-solving, design systems, and working with diverse audiences.

Sr Staff Data Platform Engineer

Company: Mozilla

Location: Remote

Posted Jan 20, 2023

Mozilla is looking for a Senior Staff Data Platform Engineer to build and improve their data platform infrastructure. The role involves designing, building, and improving systems to process large amounts of data, evaluating new technologies, and mentoring teammates.

Staff Site Reliability Engineer

Company: Mozilla

Location: Remote

Posted Jan 13, 2023

Mozilla is looking for a Staff SRE to help build and maintain infrastructure for Firefox, Mozilla's web properties, and upcoming products. The position is remote-friendly and offers opportunities to work with passionate engineers across different levels of experience and backgrounds. The SRE will work closely with Mozilla's engineering and product teams, participate in significant engineering projects, and collaborate with junior engineers. The position is open to candidates in the USA and Canada.

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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