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 Site Reliability Engineer

Company: Mozilla

Location: Remote

Posted Jun 10, 2023

Mozilla is looking for a Senior SRE to help build and maintain infrastructure for Firefox, Mozilla's web properties, and upcoming products. The position is remote-friendly and involves improving existing systems, building new infrastructure, and collaborating with passionate engineers. The SRE will work closely with Mozilla's engineering and product teams and participate in significant engineering projects across the company.

Product Designer

Company: Mozilla

Location: Remote

Posted Jun 15, 2023

Mozilla Corporation is a non-profit-backed technology company that aims to ensure the Internet is a global public resource. They are looking for an experienced Product Designer to work on various digital products and contribute to the design language. The role offers a comprehensive benefits package and aligns with Mozilla's mission of openness and accessibility.

Senior Staff Software Engineer, Desktop Integrations

Company: Mozilla

Location: Remote

Posted Jun 14, 2023

The text describes a job posting for a Senior Staff Software Engineer at Mozilla, focusing on the design, development, and shipping of Firefox features. The role involves leading design reviews, analyzing data and metrics, and collaborating with other teams. The ideal candidate should have 10+ years of experience, strong programming skills, and experience with low-level systems programming on major platforms. The company values diversity, equity, and inclusion and offers competitive benefits.

Senior Full-Stack Developer

Company: Mozilla

Location: Remote

Posted Jun 16, 2023

The Mozilla Foundation is seeking a Senior Full Stack Web Developer to join their team and help build and support the development of their digital platforms and web properties. The role involves web development, architecture, problem-solving, and mentoring other developers. The foundation offers competitive compensation, benefits, and a remote work option.

Senior Software Engineer, Pocket

Company: Mozilla

Location: Remote

Posted Jun 16, 2023

Pocket, a part of Mozilla Corporation, is seeking a Senior Software Engineer with at least 4 years of experience in software engineering, preferably with type-safe languages like TypeScript or Python. The role involves owning significant pieces of data architecture, developing reusable patterns for deploying systems at scale, delivering new features via APIs, and collaborating with peers. The company is committed to an open and free internet, valuing diversity, equity, inclusion, and belonging. The Senior Software Engineer will help ensure the ability to support high-quality content on the web, a role fundamental to Pocket's success.

Senior Site Reliability Engineer

Company: Mozilla

Location: Remote

Posted Jun 10, 2023

Mozilla is looking for a Senior SRE to help build and maintain infrastructure for Firefox, Mozilla's web properties, and upcoming products. The position is remote-friendly or can be worked in a local office in the USA and Canada. The SRE will work closely with engineering and product teams, improve existing systems, build new infrastructure, and collaborate with passionate engineers.

Sr. Staff Machine Learning Engineer

Company: Mozilla

Location: Remote

Posted Jun 13, 2023

Mozilla Corporation is seeking a skilled and experienced machine learning engineer to lead analytics projects, design and deploy state-of-the-art machine learning models, and collaborate with cross-functional teams to enhance the online shopping experience of users. The ideal candidate should have a bachelor's degree in Statistics, Computer Science, or a related technical field, at least 5 years of experience in a quantitative role, and extensive knowledge of analyzing large-scale datasets using statistical and machine learning tools. The position offers a full-time opportunity with a competitive salary and benefits package.

Senior Engineering Manager, Ads

Company: Mozilla

Location: Remote

Posted Jun 11, 2023

The text is about a job opportunity for a Senior Engineering Manager in the Mozilla Ads product team. The role involves mentoring and developing a team of software engineers, leading major initiatives, ensuring high-quality software delivery, and communicating project roadmaps. The team works on privacy-respecting and values-aligned display advertising in Mozilla products. The candidate should have 10 years of software engineering experience, proven ability to lead desktop software projects, and experience in digital advertising or advertising platforms. Mozilla is committed to diversity, equity, inclusion, and belonging.

Digital Campaigner

Company: Mozilla

Location: Remote

Posted Jun 13, 2023

The Mozilla Foundation, a non-profit organization established in 2003, is seeking a Digital Campaigner to mobilize and grow its global supporter base. The role involves developing and implementing engaging campaigns, drafting persuasive emails, and collaborating with various teams to ensure the internet remains open and accessible. The ideal candidate should have excellent email writing skills, experience in crafting public campaigns, and a genuine interest in Mozilla's mission, especially regarding diversity and inclusion.

Senior Software Engineer, Pocket

Company: Mozilla

Location: Remote

Posted Jun 16, 2023

Pocket, a part of Mozilla Corporation, is seeking a Senior Software Engineer with at least 4 years of experience in software engineering, preferably with type-safe languages like TypeScript or Python. The role involves owning significant pieces of data architecture, developing reusable patterns for deploying systems at scale, delivering new features via APIs, and collaborating with peers. The company is committed to an open and free internet, valuing diversity, equity, inclusion, and belonging. The Senior Software Engineer will help ensure the ability to support high-quality content on the web, a role fundamental to Pocket's success.

Sr. Staff Front-End Engineer - Fakespot

Company: Mozilla

Location: Remote

Posted Jun 13, 2023

Mozilla Corporation is a non-profit-backed technology company that aims to ensure the Internet is a global public resource, open and accessible to all. The company is looking for a developer to join their team and work on e-commerce safety data.

Senior Site Reliability Engineer

Company: Mozilla

Location: Remote

Posted Jun 10, 2023

Mozilla is looking for a Senior SRE to help build and maintain infrastructure for Firefox, Mozilla's web properties, and upcoming products. The position is remote-friendly or can be worked in a local office in the USA and Canada. The SRE will work closely with engineering and product teams, improve existing systems, build new infrastructure, and collaborate with passionate engineers.

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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