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Contract Staff Software Engineer-FireFox Layout

Verified Direct Employer Vetted
Open to Apply Remote · Remote Canada · Posted 1mo ago
Firefox

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Remote Canada
Listing updated on our site
14 Nov 2026, 01:01 EAT

Last seen in the live employer feed: 14 Nov 2026, 01:00 EAT. This confirms a feed listing, not employer endorsement of an application.

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Job at a glance
Employer Verified Direct Employer (Protected)
Location Remote Canada
Remote type Remote
Posted 1mo ago
Application Status Pro Membership & Free Pass Access

About this role (Direct Employer Details Protected)

You will take on the ongoing maintenance and routine engineering work in Firefox’s Layout area (CSS, page layout, APZ, text, images). Working independently at a tech-lead level, you keep the Layout code healthy.

Responsibilities

  • Own day-to-day Layout maintenance: fix bugs and regressions, keep tests green, handle incoming issues.
  • Diagnose and fix Layout problems across platforms (Windows, macOS, Linux, Android).
  • Carry code review and routine upkeep so the FTE engineers can focus on other mission critical projects. .
  • Join planning and standards / web-compat meetings as needed.

Definition of done

A healthy Layout area, backlog and regressions kept down, with the team’s senior engineers freed to focus on critical Performance and Security issues.

Required qualifications

  • Strong C++ (JavaScript and/or Rust a plus).
  • Solid CSS and page-layout knowledge.
  • Strong debugging and optimization in a multithreaded codebase.
  • Able to work independently and lead technically in a large, mature codebase.

Preferred

  • Prior experience in web browser architecture and development.
  • Prior Web standards experience.
  • Mobile web development, profiling and debugging skills a plus.
  • Proven experience in utilization of AI tools (Claude, ChatGPT, etc.) in the investigation, development, debugging, and/or testing of code is a plus.

Hiring Ranges:

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