🛠 Tech Stack

💼 About This Role

You'll implement new extension capabilities and improve existing APIs for Firefox's add-ons ecosystem. Your work will keep extensions safe, powerful, and reliable for millions of users while advancing cross-browser compatibility toward 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
• Contribute to Mozilla-owned extensions and system add-ons

📋 Requirements

• 4+ years of professional software development experience
• Strong proficiency in JavaScript, DOM APIs, HTML, and CSS
• Familiarity with 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
• 🏥 Medical, dental, and vision coverage
• 💼 Retirement contributions with 100% vesting
• 🏖️ Quarterly wellness days
• 📚 Annual professional development budget

📨 Hiring Process

Estimated timeline: 2-4 weeks · AI estimate

1. 1Recruiter screen· 30 min
2. 2Technical interview· 60 min
3. 3Hiring manager interview· 45 min