Contract Staff Software Engineer-FireFox Layout
About this opportunity
Job overview
| Company | Mozilla |
|---|---|
| Location / eligibility | Canada |
| Country | Canada (remote eligibility, not necessarily employer location) |
| Salary | CAD 131,400–217,700 / yearly |
| Employment type | Contract |
| Workplace | Remote |
| Seniority | Senior |
| Department / category | Software Engineering |
| Source publication date | November 6, 2026 |
Full job description
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:
Canada Tier 1 Locations
$185,045—$217,700 CAD
Canada Tier 2 Locations
$131,400—$154,600 CAD
How to apply
Review eligibility and submit your application using the official source link.
Apply / view official posting ↗
This remote listing is available to Canada-eligible candidates; Canadian immigration sponsorship is not implied. The free feed links to Jobicy.
Source: Jobicy · Information supplied by the original publisher. Details, pay, and application status should be confirmed with the employer. An undisclosed salary is not an estimate.