Junior Software Developer contributing to full - stack development of web - based applications in a geospatial intelligence company. Collaborating in an agile team with exposure to innovative projects.
About the role
- Senior Software Engineer developing WebExtensions for Mozilla's Firefox browser. Collaborating to enhance browser capabilities and support extension developers.
Responsibilities
- Implement and maintain WebExtensions APIs and Addon Management, balancing power, safety, and performance, as well as user interfaces in Firefox.
- Debug and fix issues affecting extensions in Firefox.
- Collaborate with product managers, QA, and the AMO engineering team to deliver features end-to-end.
- Contribute to Mozilla-owned extensions and system add-ons.
- Participate in open source workflows: code reviews, pull requests, and discussions in Bugzilla/GitHub.
- Support extension developers by helping diagnose issues and improving tooling/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 to all eligible employees - we share in our success as one team
- Rich medical, dental, and vision coverage
- Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
- Quarterly all-company wellness days where everyone takes a pause together
- 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 (life/AD&D, disability, EAP, etc. - varies by country)
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