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 Application Engineer - Integration (6 month contract)

Company: Mozilla

Location: Remote

Posted May 23, 2023

Mozilla is seeking an outstanding integration engineer to develop, propose, and implement solutions for integrating applications. The role involves working with different teams, determining the best solution to address their needs, and providing technical support. The ideal candidate should have strong knowledge of application integration technologies, problem-solving skills, and at least three to five years of experience in customization, business operations, systems development, and integrations.

Payroll Administrator

Company: Mozilla

Location: Remote

Posted May 12, 2023

Mozilla is seeking a talented Global Payroll Admin to support their Senior Global Payroll Analyst in preparing and coordinating global payroll, especially in the Region of EMEA/APAC. The role involves working with local payroll vendors and Mozilla HR. The ideal candidate should have at least 2-3 years of progressively advancing experience in multi-country payroll, familiarity with European payroll processes and regulations, and advanced knowledge of ADP or similar payroll systems. The role requires working on a geographically distributed team and being available for weekly team meetings in Mozilla's Berlin office.

Staff Front End Engineer

Company: Mozilla

Location: Remote

Posted May 18, 2023

Mozilla is hiring a Front-End Engineer for a new product line. The role involves building products that can impact future experiences on the Web, prototyping and developing early stage products, understanding practical considerations, writing well-documented code, and communicating effectively across disciplines. The ideal candidate has extensive experience (10+ years) building, deploying, and maintaining web applications with large numbers of users, proficiency in Javascript, experience building SPAs, experience collaborating with designers, and experience working in startup or highly lean environments.

Senior Staff Data Scientist

Company: Mozilla

Location: Remote

Posted May 09, 2023

None Found

Senior Engineering Manager

Company: Mozilla

Location: Remote

Posted May 17, 2023

Mozilla is a non-profit organization that aims to make the internet available, safe, and welcoming to everyone. The company is looking for a Senior Engineering Manager to lead the Mozilla Ads product team, which focuses on display advertising in Mozilla products that is privacy-respecting and values-aligned.

Community Manager, Community Programs

Company: Mozilla

Location: Remote

Posted May 17, 2023

Mozilla is seeking an enthusiastic community manager to help communities succeed. The role involves working across multiple communities, supporting and growing the Support community, and coordinating community programs and events. The ideal candidate should be a strong communicator, passionate about community engagement, and have experience in community development and management.

Product Marketing Lead

Company: Mozilla

Location: Remote

Posted May 12, 2023

Mozilla is seeking a customer-centric, analytical, and creative marketing leader to drive high-level strategy and product adoption for their social products. The role involves building partnerships with various teams, leading cross-functional marketing efforts, and delivering measurable growth results. The ideal candidate should have 10+ years of product marketing experience, preferably with experience on social products. They should be able to lead and strengthen a team, drive product adoption and engagement, and deliver multiple innovative projects in a dynamic environment.

Back-End Engineer (RoR)

Company: Mozilla

Location: Remote

Posted May 24, 2023

Mozilla, the non-profit-backed technology company behind Firefox and Pocket, is seeking a mid-level engineer for the Fakespot team. The role involves creating robust applications, maintaining and troubleshooting existing ones, and identifying and fixing bottlenecks and bugs. The ideal candidate should have a minimum of 3 years of professional work experience with Ruby and Ruby on Rails, excellent learning ability, and good knowledge of relational databases. Mozilla offers generous benefits, including performance-based bonuses, rich medical coverage, and a commitment to diversity, equity, inclusion, and belonging.

Sr. Platform Security Manager

Company: Mozilla

Location: Remote

Posted May 18, 2023

Mozilla Corporation is a non-profit-backed technology company that aims to be the trusted guide through a joyful internet. The company is looking for a Senior Manager of Platform Security to lead a team in translating technical and administrative security controls into platform security standards.

Senior Site Reliability Engineer

Company: Mozilla

Location: Remote

Posted May 05, 2023

None Found

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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