Jobs at Mozilla

1,405 open positions

Mozilla, founded in 1998, is a global nonprofit that champions an open, free and secure internet. Its flagship product, the Firefox web browser, has driven privacy‑first features and open‑source innovation for over two decades.

Mozilla hires across a broad spectrum: software engineers, product managers, UX/UI designers, data scientists, security specialists, community leads, and marketing professionals. Interviews focus on problem‑solving, collaborative mindset, and alignment with Mozilla’s mission. Candidates can expect remote‑friendly arrangements, competitive benefits, and a culture that rewards experimentation.

Using Job Transparency’s Mozilla listings gives you instant access to real salary ranges, employee sentiment scores, and tenure data. This information lets you benchmark offers, negotiate confidently, and choose roles that match your career goals.

Staff Software Engineer - Networking

Company: Mozilla

Location: Remote

Posted Nov 04, 2022

The Mozilla Corporation's Gecko networking team is looking for skilled developers to work on a first-class networking stack and improve web experiences for millions of Firefox users. The team is working on the core of the browser that moves the web. The job requires proficiency in C++, experience in networking, and ability to work collaboratively with other Mozillians.

Staff Machine Learning Engineer

Company: Mozilla

Location: Remote

Posted Nov 09, 2022

The job posting is for a Staff Machine Learning engineer to develop recommendation systems for Pocket, a web-based content discovery platform. The role requires experience in machine learning engineering, natural language processing, and cloud platforms like AWS SageMaker or Google Cloud ML.

Sr. Program Manager, Community Experience

Company: Mozilla

Location: Remote

Posted Nov 09, 2022

Mozilla is looking for a program manager to manage community programs, establish processes and infrastructure, and build relationships with product managers, business development unit, community professionals, and marketing colleagues. The company is passionate about uniting to help make the internet open and accessible for anyone.

Product Marketing Lead

Company: Mozilla

Location: Remote

Posted Nov 08, 2022

Mozilla Corporation is seeking a Product Marketing Leader to drive high-level strategy and product adoption for Privacy & Security products. The role involves building deep partnerships with product, design, and engineering leadership, as well as cross-channel marketing partners. The ideal candidate should be customer-centric, analytical, creative, and results-oriented, with a proven track record of leading and coaching teams of marketers.

Senior Business Development Manager

Company: Mozilla

Location: Remote

Posted Nov 04, 2022

Mozilla is a company that helps people safely discover the world online and create new experiences. They are looking for a senior manager to join their Business & Corporate Development team to lead partnerships and develop strategy and execution plans.

Site Reliability Engineer, Services

Company: Mozilla

Location: Remote

Posted Oct 29, 2022

Mozilla is looking for a Site Reliability Engineer to build and maintain infrastructure for their products, including the Firefox browser. The role involves working with engineering and product teams to deliver high-quality products and improving existing systems.

Senior Software Engineer - Networking

Company: Mozilla

Location: Remote

Posted Oct 25, 2022

The Mozilla Corporation's Gecko networking team is looking for skilled developers to work on a first-class networking stack and improve web experiences for millions of Firefox users. The team is working on the core of the browser that moves the web. The job requires proficiency in C++, experience in networking, and ability to learn Rust. The company values diversity, equity, inclusion, and belonging.

Senior Software Engineer

Company: Mozilla

Location: Remote

Posted Oct 30, 2022

Mozilla is looking for a Systems Engineer to build custom services and platforms for Mozillians. The team values individual expertise, learning, and diverse perspectives. They are committed to contributing to open source and ensuring diversity, equity, inclusion, and belonging.

Language Community Manager (Common Voice)

Company: Mozilla

Location: Silicon Valley CA

Posted Oct 25, 2022

The job posting is for a Community Manager position at Mozilla Common Voice, responsible for the health and vitality of the volunteer community. The role involves improving community experience, championing insights, and building partnerships with foundations, academics, and civil society organizations.

Senior Software Engineer, Security

Company: Mozilla

Location: Remote

Posted Oct 30, 2022

The job posting is for a Senior Software Engineer position at Mozilla Corporation, responsible for planning, architecture, and delivery of major full stack software security projects. The company values diversity, equity, inclusion, and belonging, and is an equal opportunity employer.

Manager, Corporate Development

Company: Mozilla

Location: Remote

Posted Oct 24, 2022

Mozilla is a non-profit technology company that aims to build the internet as a public resource accessible to all. They are seeking a manager for their Corporate Development team to lead strategic and product partnerships, distribution, growth, exploration, mergers & acquisitions and investment activities.

Technology Community Manager (Common Voice)

Company: Mozilla

Location: Silicon Valley CA

Posted Oct 25, 2022

The text is about Mozilla Common Voice, an open source platform for language activists, software engineers, researchers, and artists. The job posting is for a position that involves supporting developers, engaging with technologists globally, and driving dataset uptake with technologists. The ideal candidate should have a Developer Relations background, experience in open source, good interpersonal skills, and coding/engineering experience. The role involves leading a communications and participation strategy, building awareness of code contribution opportunities, and representing MCV at conferences and events.

Frequently Asked Questions

What does it feel like to work at Mozilla?
Mozilla fosters a culture of openness, where teams collaborate across product, engineering, and community to build privacy‑centred tools. Employees enjoy flexible remote work, regular hackathons, and the chance to contribute directly to Firefox and other open‑source projects. The mission‑driven environment rewards experimentation, continuous learning, and a strong sense of purpose.
What types of positions are available at Mozilla?
Mozilla’s hiring spans software engineering, product management, UX/UI design, data science, security, community outreach, marketing, operations, legal, finance, and HR. Roles range from junior to senior levels and include both full‑time and contract work, often with a focus on open‑source collaboration.
How can I stand out as an applicant for Mozilla?
Showcase open‑source contributions, especially to Firefox or related projects, and demonstrate a clear commitment to privacy and web standards. Highlight problem‑solving examples, quantify impact, and align your portfolio with Mozilla’s mission. Prepare for behavioral interviews by practicing the company’s core values, and for technical interviews by coding in languages like JavaScript, Rust, Python, and mastering browser‑related problems.

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