17h ago
Senior Software Engineer, WebExtensions
Remote
โจ $185k-$255k / yearest.
full-timesenior Remotesoftware
๐ Tech Stack
๐ผ About This Role
You'll implement new extension capabilities in Firefox, improving the WebExtensions platform for millions of users. You'll work deep in the Gecko platform to evolve extension APIs and build UI features. This role directly impacts browser customization and shapes cross-browser standards.
๐ฏ What You'll Do
- Implement and maintain WebExtensions APIs and Addon Management.
- Debug and fix issues affecting extensions in Firefox.
- Collaborate with product managers, QA, and AMO engineering team.
- Contribute to Mozilla-owned extensions and system add-ons.
๐ Requirements
- 4+ years of professional software development experience.
- Strong proficiency in JavaScript, DOM APIs, HTML, and CSS.
- Familiarity with modern browser architecture and debugging tools.
- Experience with API design and integration.
โจ Nice to Have
- Experience with Firefox internals, C++ or Rust.
- Familiarity with Android or GeckoView development.
- Knowledge of web security principles.
๐ Benefits & Perks
- ๐๏ธ Performance-based bonuses
- ๐ฅ Medical, dental, and vision coverage
- ๐ฐ Retirement contributions with immediate vesting
- ๐ก Home office stipend
- ๐ Annual professional development budget
๐จ Hiring Process
Estimated timeline: 2-4 weeks ยท AI estimate
- 1Recruiter Callยท 30 min
- 2Technical Interviewยท 60 min
- 3Hiring Manager Interviewยท 45 min
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