Senior Software Engineer, Firefox Desktop

Mozilla · IT

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WorldwideFull TimePosted Aug 29, 2026

Source: Arbeitnow

AT A GLANCE
Eligibility
Worldwide
Category
IT
Salary
Not disclosed
Employment
Full Time
Experience
Senior
Posted
Aug 29, 2026

Checked for remote eligibility. This role is open to applicants based in Hungary.

Mozilla is hiring a Senior Software Engineer for the Firefox Desktop team to work on OS integration in a fully remote, globally distributed environment.

In this role, you will focus on Firefox installation, updates, and OS-level integrations for Windows and macOS platforms. You will collaborate within a geographically distributed team to deliver secure and performant browser features while contributing to Mozilla's open-source mission.

Why You’ll Love This Role

Worldwide remote role
3-5 Years experience requirement
Focus on Firefox desktop integration
Open-source mission-driven environment
Performance-based bonus plans

What You’ll Bring

3-5 Years experience as a Software Engineer
Proficiency in systems-level programming on Windows or macOS
Solid programming skills in C/C++
Effective communication and collaboration skills in distributed environments
Ability to scope technical work and meet project timelines

What You’ll Get

Generous performance-based bonus plans
Rich medical, dental, and vision coverage
Generous retirement contributions with immediate vesting
Quarterly all-company wellness days
Annual professional development budget
One-time home office stipend

About the Company

Mozilla is a mission-driven, non-profit-backed technology company famous for creating the Firefox web browser. They focus on building the internet as a public resource that is accessible and open to all users globally.

Listing checked for remote eligibility · Posted Aug 29, 2026 · ArbeitnowApply →
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