About this role
Senior Software Engineer, WebExtensions at Mozilla. Location: France or Canada. Role: implementing APIs, debugging extensions, reviewing code Requirements: 4+ years software development, strong JavaScript/DOM/HTML/CSS skills, familiarity with browser architecture and API design, experience navigating large codebases, strong communication for distributed teams. Category: Software Development Seniority: Mid Level Tools: JavaScript, DOM APIs, HTML, CSS, WebExtensions, Gecko, Firefox, C++, Rust, Android, GeckoView, Bugzilla, GitHub Commitment: Full Time Workplace: Remote Languages: English