CareerPlanSign in

Senior Software Engineer, Firefox Desktop

CANADA🌐 Remote💼 Full-time💰 $104,000–$104,000🗓 2026-08-10 → 2026-09-26

Core

Develop and improve Firefox features related to installs, updates, and OS integrations on Windows and macOS.

Role type

Senior Software Engineer (Desktop Integrations)

Builds

Firefox browser installation and update experience across desktop platforms

Domain

Consumer Internet / Browser Engineering

Deliverable

product features

Required skills

Systems-level programming, C/C++, Windows/macOS development, Technical project scoping, Code review, Bug triage and resolution

Preferred skills

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

Technologies

C, C++, Rust, Win32, Cocoa

Responsibilities

Contribute to development of Firefox install/update features; Implement enhancements using data insights; Tackle platform-specific OS integration challenges; Collaborate on work scoping and prioritization; Participate in code reviews and technical discussions; Own complex bugs and lead experience improvements

Seniority

Senior, hands-on IC

Sourced via codingjobboard · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.