Contract Staff Software Engineer - Performance Graphics (C++,Rust, WebGL)

Mozilla · Remote Canada · Remote

Posted 9/22/2026 · last confirmed live 10/17/2026

The role You will take on the ongoing maintenance and engineering work in Firefox’s Graphics area (rendering, compositing, images, canvas, WebGL). You help keep the graphics code healthy. Responsibilities Own day-to-day Graphics maintenance: bug fixes, regressions, test upkeep, incoming issues. Diagnose and fix graphics problems across platforms (Windows, macOS, Linux, Android). Carry code review and routine upkeep so the FTE engineers can focus on performance. Definition of done A healthy Graphics area, backlog and regressions kept down, with the team’s senior engineers freed to focus on performance. Required qualifications Strong C++ and/or Rust. Knowledge of graphics frameworks and GPU architecture. Strong debugging and optimization in a multithreaded codebase. Able to work independently and lead technically in a large, mature codebase. Preferred Shader languages; mobile/Android; open-source collaboration. Hiring Ranges: Canada Tier 1 Locations $145,800 — $186,172 CAD Canada Tier 2 Locations $131,400 — $154,600 CAD

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This role is published by Mozilla on greenhouse. SwiftFit is not the employer and does not accept applications.