Senior Software Engineer, Firefox Desktop

Mozilla · IT

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Full Time€68.000 - €91.000 EURPosted Aug 26, 2026

Source: Mozilla

AT A GLANCE
Eligibility
Not available
Category
IT
Salary
€68.000 - €91.000 EUR
Employment
Full Time
Experience
Senior
Posted
Aug 26, 2026

This role’s source listing does not include Hungary as an eligible location.

Mozilla is seeking a Senior Software Engineer for the Firefox Desktop team to work on OS integration and browser updates from Germany.

As a Senior Software Engineer, you will tackle low-level platform-specific challenges in Windows and macOS to enhance the Firefox installation and update experience. You will collaborate with a geographically distributed team and contribute to architectural decisions to deliver high-quality open-source software.

Why You’ll Love This Role

Remote in Germany
Salary range €68,000 - €91,000 EUR
Senior level position
Open source browser development focus
Comprehensive wellness and professional development benefits

What You’ll Bring

3-5 Years experience as Software Engineer
Experience with systems-level programming on Windows or macOS
Solid programming skills in C/C++
Effective communication and collaboration skills in distributed teams
Ability to manage technical project timelines independently

What You’ll Get

Performance-based bonus plans
Medical, dental, and vision coverage
Retirement contributions with immediate vesting
Quarterly wellness days
Annual professional development budget
One-time home office stipend

About the Company

Mozilla Corporation is a non-profit-backed technology company known for developing the privacy-focused Firefox web browser. Their mission is to build the internet as a public resource and promote an open, accessible web for everyone.

Listing checked for remote eligibility · Posted Aug 26, 2026 · MozillaApply →
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