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

Mozilla; Toronto; On-site; CAD 131,000 - 186,000; Full time

Job summary

Mozilla in Toronto is seeking aGraphics Engineer to maintain and advance Firefox’s Graphics area, including rendering, compositing, images, canvas, and WebGL. You will help keep the graphics code healthy and scalable in a large, mature codebase.

You will diagnose cross‑platform graphics issues, contribute in code reviews, and ensure team engineers can focus on performance improvements across Windows, macOS, Linux and Android.

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.

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.

Skills

C++

Rust

Graphics frameworks

GPU architecture

Multithreaded debugging

Job description

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.

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