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Senior Software Engineer, Firefox Desktop

🌐 Remote💼 Full-time💰 $104,000–$104,000🗓 2026-07-14 → 2026-07-31

Core

Building and improving Firefox Desktop features, specifically OS integrations, installation, and update mechanisms for Windows and macOS.

Role type

Senior Software Engineer (Desktop/Systems)

Builds

Firefox browser client, installation packages, and update infrastructure

Domain

Consumer Internet / Web Browser / Desktop Systems

Deliverable

product features

Required skills

Systems-level programming, C/C++, Windows/macOS development, low-level OS integration, code review, technical leadership

Preferred skills

Rust, Windows/macOS APIs (Win32/Cocoa), Linux/macOS internals, open source contributions

Technologies

C, C++, Rust, Windows, macOS

Responsibilities

Develop and improve Firefox features related to installs, updates, and OS integrations; Implement enhancements to the installation and update experience using data insights; Tackle platform-specific challenges in low-level operating system integration on Windows and/or macOS; Collaborate with manager and teammates to scope and prioritize work; Participate in code reviews and contribute to technical discussions; Take ownership of complex bugs and lead efforts to improve the Firefox experience

Seniority

Senior, hands-on IC

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