about 3 hours ago
Remote, FranceSenior / Mid Level
H1B Sponsor
Base Salary
$53k - $71k/yr
Responsibilities
- Implement and maintain WebExtensions APIs and Addon Management.
- Debug and fix issues affecting extensions in Firefox.
- Collaborate with product managers, QA, and the AMO engineering team.
- Contribute to Mozilla-owned extensions and system add-ons.
- Participate in open source workflows including code reviews and discussions.
- Support extension developers by diagnosing issues and improving documentation.
Requirements
- 4+ years of professional experience in software development.
- Strong proficiency in JavaScript, DOM APIs, HTML, and CSS.
- Familiarity with modern browser architecture and debugging tools.
- Experience with API design and integration.
- Ability to navigate and learn from large codebases.
- Strong communication skills and experience collaborating in distributed teams.
- Bonus points for experience with Firefox internals, C++ or Rust.
- Familiarity with Android or GeckoView development.
- Knowledge of web security principles.
- Contributions to open source projects, especially in browser or extension development.
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.
- Annual professional development budget.
- Quarterly well-being stipend.
- Considerable paid parental leave.
- Employee referral bonus program.
- Other benefits vary by country.