Contract Staff Software Engineer-FireFox Layout

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Contract Staff Software Engineer-FireFox Layout based in Canada. As a Contract Staff Software Engineer focused on Firefox Layout, you’ll take ownership of the ongoing maintenance and technical health of a mature browser rendering codebase. You’ll work across CSS, page layout, asynchronous panning and zooming, text, and image systems. The role is highly hands-on, combining advanced C++ development with deep debugging and performance optimization. You’ll independently investigate bugs and regressions across desktop and mobile platforms while maintaining a high technical standard. Your work will help keep the Layout area stable, performant, and compatible across operating systems. By handling essential maintenance and routine engineering work, you’ll enable senior engineers to focus on critical performance and security initiatives.