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 Fullstack Engineer - Ads

Company: Mozilla

Location: USA

Posted May 16, 2024

Mozilla Corporation, a non-profit technology company, is seeking a Senior Software Engineer to join their growing Ads product team. The role involves developing privacy-preserving ad technology, mentoring junior engineers, and serving as a go-to resource for Mozilla's ad stack. The ideal candidate should have 4+ years of software engineering experience, expertise in Golang, Rust, or Java, and proficiency in JavaScript, React, or Node.js. Mozilla offers competitive benefits, including performance-based bonuses, comprehensive health coverage, and a commitment to diversity, equity, and inclusion.

Program Manager - Mozilla Builders

Company: Mozilla

Location: USA

Posted May 16, 2024

Mozilla Corporation is a non-profit technology company that has shaped the internet for the better over the last 25 years. They make pioneering brands like Firefox and Pocket, and are committed to making the internet better for people. The Mozilla Builders program is a point of entry for startups and projects that want to collaborate with Mozilla towards a shared vision of the future.

Firefox Networking Engineering Student Worker

Company: Mozilla

Location: Germany

Posted May 15, 2024

Mozilla Corporation, a non-profit technology company, is seeking skilled developers for its Gecko networking team. The team works on the core of Firefox, focusing on network protocols, HTTP, QUIC, caching, and DNS. They aim to provide a performant and secure browsing experience. The role involves improving Firefox's web browsing experience, designing and implementing new web platform features, debugging, and improving stability. Candidates should have experience in C/C++, understand memory safety, and be fluent in English. Previous networking experience is a plus. The position offers a chance to work on the web as a platform, contribute to innovation, and make a difference in users' lives.

Sr. Staff Marketing Analytics Specialist

Company: Mozilla

Location: Remote

Posted May 12, 2024

Mozilla Corporation, a non-profit technology company, is seeking a marketing analytics professional with 10+ years of experience. The role involves analyzing campaigns, providing insights, and collaborating with various teams. The company offers competitive benefits, including performance-based bonuses, comprehensive health coverage, and flexible parental leave. Mozilla is committed to diversity, equity, inclusion, and belonging, and encourages applications from all backgrounds.

Senior Staff Product Manager - Generative AI

Company: Mozilla

Location: USA

Posted May 17, 2024

Mozilla Corporation, a non-profit technology company, is seeking a Sr. Staff Product Manager for Generative AI and Productivity. The role involves designing product strategy for new features to enhance user productivity, collaborating with cross-functional teams, and driving product discovery. The ideal candidate should have 8+ years of product management experience, expertise in AI-driven productivity features, and strong communication skills. Mozilla offers competitive benefits including performance-based bonuses, comprehensive health coverage, and generous parental leave.

Staff Financial Analyst

Company: Mozilla

Location: UK,Canada

Posted May 13, 2024

Mozilla is seeking a Staff Financial Analyst with at least 3+ years of experience in budgeting and forecasting. The role involves managing forecasting models, building financial models, analyzing data, and creating reports. The ideal candidate should have experience with planning tools, Netsuite, and Workday, and be proficient in financial modeling and data modeling skills. They should also have strong communication and interpersonal skills, and a commitment to diversity, equity, and inclusion.

Senior Staff Product Manager - Generative AI

Company: Mozilla

Location: Canada,UK

Posted May 17, 2024

Mozilla Corporation is a non-profit-backed technology company that has shaped the internet for the better over the last 25 years. They make pioneering brands like Firefox and Pocket, and are committed to making the internet better for people.

Engineering Manager, Ads

Company: Mozilla

Location: Remote

Posted May 12, 2024

Mozilla Corporation, a non-profit technology company, is seeking an Engineering Manager for its growing Ads product team. The role involves leading a team of 5-8 software engineers to build and maintain privacy-respecting advertising systems in Mozilla products. The successful candidate will mentor team members, lead major initiatives, ensure high-quality software delivery, and champion Mozilla's values. Benefits include a generous performance-based bonus plan, comprehensive health coverage, retirement contributions, and flexible leave policies.

Senior Brand Partnerships Manager (6-month Fixed Term Contract)

Company: Mozilla

Location: France

Posted May 12, 2024

Mozilla Corporation, a non-profit technology company, is seeking a Senior Brand Partnerships Manager for a 6-month fixed term contract with potential extension. The role involves managing a global portfolio of clients, prospecting for new business, and selling Native Advertising products in Firefox globally. The company is known for its privacy-focused Firefox browser and Pocket service, with a mission to make the internet better for people. The ideal candidate should have 5+ years of digital media sales experience, strong organizational skills, and a strategic consultative sales approach.

Senior Fullstack Engineer - Ads

Company: Mozilla

Location: Canada,UK

Posted May 16, 2024

Mozilla Corporation, a non-profit technology company, is seeking a Senior Software Engineer for its growing Ads product team. The role involves developing privacy-preserving ad technology, mentoring junior engineers, and being a go-to resource for Mozilla's ad stack. The ideal candidate should have 4+ years of software engineering experience, expertise in Golang, Rust, or Java, and proficiency in JavaScript, React, or Node.js. Mozilla offers competitive benefits, including performance-based bonuses, comprehensive health coverage, and a commitment to diversity, equity, and inclusion.

Senior Security Engineer

Company: Mozilla

Location: USA

Posted May 16, 2024

Mozilla Corporation, the non-profit-backed technology company behind Firefox and Pocket, is expanding its Infrastructure Security team. The Security Engineer will protect services from attacks, design and deploy security frameworks, and ensure systems and services are secured. Successful candidates will have 3+ years of hands-on experience in cybersecurity, strong infrastructure security knowledge, and experience with Terraform, AWS, GCP, or Azure. Mozilla offers competitive benefits including performance-based bonuses, rich medical coverage, and generous retirement contributions.

Senior Business Development Manager

Company: Mozilla

Location: Remote

Posted May 12, 2024

Mozilla Corporation, a non-profit technology company, is seeking an experienced leader for its Business & Corporate Development team. The role involves setting strategies for company-wide goals, managing teams, and driving growth activities. The ideal candidate should have 12+ years of experience in business development, partnerships, strategy, and sales. They should be able to solve complex problems, communicate effectively, and manage teams. Mozilla offers competitive benefits, including performance-based bonuses, rich 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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