Contract Staff Software Engineer - Performance Graphics (C++,Rust, WebGL)
Mozilla
Posted Oct 6, 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
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
