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 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.

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.

People Partner, New Initiatives

Company: Mozilla

Location: Remote

Posted Oct 21, 2022

The Mozilla Foundation is seeking a People Partner to join its People & Culture Team and provide strategic and day-to-day HR support to three Mozilla Foundation subsidiaries. The role involves working with leadership to develop effective organizational structure and job design, building a diverse and inclusive culture, and supporting employee lifecycle activities.

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.

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.

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.

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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