Senior Software Engineer, WebExtensions

Added
12 days ago
Type
Full time
Salary
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Related skills

javascript css html api design apis

πŸ“‹ Description

  • Implement and maintain WebExtensions APIs and Addon Management in Firefox.
  • Debug and fix issues affecting Firefox extensions.
  • Collaborate with PMs, QA, and AMO engineering to deliver features end-to-end.
  • Contribute to Mozilla-owned extensions and system add-ons.
  • Participate in code reviews, PRs, and Bugzilla/GitHub discussions.
  • Support extension developers with issue diagnosis and tooling/docs improvements.

🎯 Requirements

  • 4+ years of professional software development.
  • JavaScript, DOM APIs, HTML, CSS: strong proficiency.
  • Familiarity with modern browser architecture and debugging tools.
  • Experience with API design and integration.
  • Ability to navigate large codebases and learn quickly.
  • Strong communication and distributed-team collaboration.

🎁 Benefits

  • Generous performance-based bonus plans.
  • Rich medical, dental, and vision coverage.
  • Generous retirement contributions with 100% immediate vesting.
  • Quarterly all-company wellness days.
  • Country-specific holidays plus a day off for your birthday.
  • One-time home office stipend.
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