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Mozilla

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

Remote Canada
Salary
Not stated
Level
Staff
Work type
Remote · Canada only
Visa
Not stated

Open. First seen 2 October 2026.

Apply on job-boards.greenhouse.io →

The team: Firefox HIRES STEADILY

This role is one of 38 open in Firefox. 14 were posted in the last 30 days and the oldest in February: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

C++ (16 of 38), Android (15 of 38), Rust (15 of 38), CSS (13 of 38), JavaScript (13 of 38), Python (12 of 38), C (11 of 38)

OTHER ROLES ON THIS TEAM

From the team and dates on Mozilla's own job board.

About the role

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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