# Contract Staff Software Engineer-Fire Fox Layout Mozilla131k–218k CADContractremote· lead Canadalinuxandroidjavascriptrust Listed via Jobicy · posted 6 Oct 2026. The application happens there, not on Dev Connect. Apply on Jobicy## 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, mac OS, 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++ (Java Script and/or Rust a plus).- Solid CSS and page-layout knowledge.- Solid 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, Chat GPT, etc.) in the investigation, development, debugging, and/or testing of code is a plus. Hiring Ranges: Canada Tier 1 Locations$185,045—$217,700 CADCanada Tier 2 Locations$131,400—$154,600 CAD#J-18808-Ljbffr