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 Application Engineer - Workplace Technology

Company: Mozilla

Location: USA

Posted Dec 17, 2025

Mozilla's mission to improve the internet through innovation in AI and security is highlighted, with a job role focusing on scalable automation and collaboration. The company emphasizes diversity and offers competitive benefits.

Senior Software Engineer (Localization)

Company: Mozilla

Location: Canada

Posted Dec 17, 2025

Mozilla's mission to build an open internet through innovation and community efforts. They focus on AI, security, and localization, offering impactful roles with competitive benefits.

Staff Financial Analyst - Corporate Finance

Company: Mozilla

Location: UK,Canada

Posted Dec 13, 2025

Mozilla seeks a Corporate Financial Analyst to drive financial planning and reporting, offering competitive benefits and a mission-driven environment. The role involves strategic analysis, automation, and collaboration across teams, with emphasis on innovation and impact. The company highlights its commitment to diversity, equity, and open internet principles.

Staff Application Engineer - Workplace Technology

Company: Mozilla

Location: Canada

Posted Dec 18, 2025

Mozilla's mission to improve the internet through innovation in AI and security. They seek a Staff Software Engineer to build scalable systems, with competitive benefits and a focus on open-source collaboration.

Senior Software Engineer

Company: Mozilla

Location: Remote

Posted Dec 23, 2025

Mozilla's mission to improve the internet through open-source projects and innovation. They seek a Senior Software Engineer to enhance AMO, offering competitive benefits and a collaborative environment.

Staff User Researcher

Company: Mozilla

Location: USA

Posted Dec 18, 2025

Mozilla's mission to build an open and free internet for all is highlighted through their work in AI, security, and user research. The job posting emphasizes collaboration, innovation, and commitment to diversity, with competitive benefits and a focus on impactful, user-centered strategies.

Staff Software Engineer - AI & Automation

Company: Mozilla

Location: Canada

Posted Dec 17, 2025

Mozilla's mission to improve the internet through innovation in AI and security is highlighted, along with a job opportunity for a Staff Software Engineer focusing on automation and AI-driven solutions, offering competitive benefits and a collaborative environment.

Staff Application Engineer - Workplace Technology

Company: Mozilla

Location: UK,Canada

Posted Dec 18, 2025

Mozilla's job posting highlights a Staff Software Application Engineer role with focus on AI and workplace tech, offering competitive benefits and emphasizing diversity and innovation.

Marketing Manager

Company: Mozilla

Location: USA

Posted Dec 20, 2025

MZLA Technologies, a Mozilla subsidiary, develops open-source email tools like Thunderbird, empowering millions. They seek a Marketing Manager to grow their brand, offering competitive salaries, remote work, and comprehensive benefits.

Staff Security Engineer - Product Security

Company: Mozilla

Location: USA

Posted Dec 20, 2025

Mozilla's mission to improve the internet through security and privacy initiatives. The Security Engineer role involves protecting users, ensuring secure software development, and contributing to a global public resource. Benefits include competitive pay, remote work, and professional growth opportunities.

Staff User Researcher

Company: Mozilla

Location: UK,Canada

Posted Dec 18, 2025

Mozilla's job posting highlights a user research role with responsibilities in strategic research and collaboration, offering competitive benefits and a commitment to diversity and innovation.

Senior Software Engineer

Company: Mozilla

Location: Remote

Posted Dec 24, 2025

Mozilla's mission is to build an open internet, focusing on privacy and innovation. They offer impactful roles like Senior Software Engineer at AMO, with benefits including competitive pay, remote work, and a commitment to diversity.

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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