🛠 Tech Stack

💼 About This Role

You'll implement and maintain WebExtensions APIs in Firefox, shaping the add-ons ecosystem used by millions. Your work will balance developer power with user trust, ensuring extensions remain safe and reliable. Collaborate with experts across Mozilla to advance cross-browser standardization.

🎯 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
• Participate in open source workflows: code reviews, pull requests

📋 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

✨ Nice to Have

• Experience with Firefox internals, C++, or Rust
• Familiarity with Android or GeckoView development
• Knowledge of web security principles

🎁 Benefits & Perks

• 💰 Performance-based bonus plans
• 🏥 Rich medical, dental, and vision coverage
• 🏦 Generous retirement contributions with immediate vesting
• 🏡 One-time home office stipend
• 🌴 Quarterly well-being stipend

📨 Hiring Process

Estimated timeline: 2-4 weeks · AI estimate

1. 1Recruiter Call· 30 min
2. 2Technical Interview· 60 min
3. 3Team Interview· 45 min