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.

Staff Product Marketing Manager

Company: Mozilla

Location: USA

Posted Apr 09, 2024

Mozilla Corporation, a non-profit technology company, is seeking a product marketing leader to drive growth for its advertising products. The role involves identifying high-opportunity advertising segments, crafting the Mozilla Ads story, and managing external agency partners. The ideal candidate should have 8+ years of product marketing experience, preferably in social products, and a proven track record in leading marketing efforts for advertising products. Mozilla values diversity, equity, inclusion, and belonging, and encourages applications from all backgrounds.

Staff Web Designer

Company: Mozilla

Location: Canada

Posted Apr 04, 2024

Mozilla Corporation, a non-profit technology company, is seeking a Staff Web Designer to oversee and execute the design of marketing websites. The role involves collaborating with product and UX designers, creating designs for marketing websites, ensuring adherence to brand guidelines, and working with developers to translate designs into code. The company is committed to diversity, equity, inclusion, and accessibility, offering competitive benefits and a positive work environment.

Engineering Manager, Ads

Company: Mozilla

Location: Canada

Posted Mar 27, 2024

Mozilla Corporation, a non-profit technology company, is seeking an Engineering Manager for its growing Ads product team. The role involves mentoring and developing a team of software engineers, leading major initiatives, ensuring high-quality software delivery, and championing Mozilla's values. The company is committed to building an open and free internet, and values diversity, equity, inclusion, and belonging. Benefits include performance-based bonuses, comprehensive health coverage, retirement contributions, wellness days, and more.

Manager - Corporate Development

Company: Mozilla

Location: Canada

Posted Apr 02, 2024

Mozilla Corporation, a non-profit technology company, is seeking an Associate or Manager for its Business and Corporate Development team. The role involves conducting financial and operational analyses, creating strategic presentations, and working with various departments. The company is committed to diversity, equity, inclusion, and belonging, and offers competitive benefits.

Manager - Corporate Development

Company: Mozilla

Location: Canada,UK

Posted Apr 02, 2024

Mozilla Corporation, a non-profit technology company, is seeking an Associate or Manager for its Business and Corporate Development team. The role involves conducting financial and operational analyses, creating strategic presentations, and working with various departments. The ideal candidate should have a BS/BA degree, 2+ years of experience in investment banking or management consulting, strong analytical skills, and expertise in Excel and PowerPoint. Mozilla offers competitive benefits including performance-based bonuses, health coverage, retirement contributions, and flexible leave policies.

Engineering Manager, Ads

Company: Mozilla

Location: Canada,UK

Posted Mar 27, 2024

Mozilla Corporation, a non-profit technology company, is seeking an Engineering Manager for its growing Ads product team. The role involves mentoring and developing a team of software engineers, leading major initiatives, ensuring high-quality software delivery, and championing Mozilla's values. The company offers competitive benefits, including performance-based bonuses, rich health coverage, retirement contributions, and flexible leave policies. Mozilla is committed to diversity, equity, inclusion, and belonging, encouraging applications from all backgrounds.

Staff People Programs/Project Manager

Company: Mozilla

Location: Canada,UK

Posted Mar 27, 2024

Mozilla Corporation, a non-profit technology company, is seeking an experienced HR programs and projects leader. The role involves leading and running multiple programs and projects, fostering a positive employee experience, and driving organizational objectives. The ideal candidate should have 8+ years of HR program and project management experience, strong understanding of HR processes, excellent communication skills, and the ability to work with geographically dispersed teams. Mozilla offers generous benefits including performance-based bonuses, rich medical coverage, retirement contributions, and paid parental leave.

Staff Site Reliability Engineer

Company: Mozilla

Location: Canada

Posted Mar 26, 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 everyone.

Staff People Programs/Project Manager

Company: Mozilla

Location: Canada

Posted Mar 27, 2024

Mozilla Corporation, a non-profit technology company, is seeking an experienced HR programs and projects leader. The role involves leading and running multiple programs and projects, focusing on innovation, inclusivity, and a positive employee experience. The ideal candidate should have 8+ years of HR program and project management experience, strong communication skills, and the ability to lead cross-functional teams. Mozilla offers generous benefits, including performance-based bonuses, rich health coverage, and a commitment to diversity, equity, and inclusion.

Senior Design Systems Designer

Company: Mozilla

Location: Canada,UK

Posted Apr 11, 2024

Mozilla Corporation is a non-profit technology company that aims to make the internet better for people. They are looking for a senior design systems designer to help scale their design system for Firefox.

Staff Software Engineer - Mobile

Company: Mozilla

Location: UK

Posted Apr 01, 2024

Mozilla Corporation, a non-profit-backed technology company, is seeking an experienced Android app developer to join their team. The role involves designing, building, and shipping medium to large scale Android solutions that promote a healthy and inclusive internet. The developer will work with a diverse and geographically distributed team, collaborating with stakeholders to understand and clarify project requirements. They will also uphold quality standards through code reviews, bug fixing, testing, and coding practices. The ideal candidate should have extensive experience in building complex applications using Java and Kotlin, a passion for bug investigation and resolution, and a commitment to modern programming practices. Bonus points for understanding C++ and/or Rust, and a willingness to ask questions and propose new ideas.

Staff Machine Learning Engineer, Gen AI

Company: Mozilla

Location: USA

Posted Mar 25, 2024

Mozilla Corporation, a non-profit technology company, is seeking a Staff Machine Learning Engineer to develop and grow Generative AI-driven products and tools for Firefox. The role involves leading the design, development, and integration of AI solutions, fine-tuning and evaluating LLM models, and ensuring robust validation and testing procedures. The ideal candidate should have 6+ years of experience in machine learning engineering, proficiency in Python and deep learning frameworks, and strong problem-solving skills. Mozilla offers competitive benefits, including performance-based bonuses, rich health coverage, and a commitment to diversity, equity, and inclusion.

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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