Senior Frontend Engineer
Mozilla
full-remoteseniorpermanentfrontend Full remote - New York, US 2 days ago via WTTJ
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JavaScriptHTMLCSSAccessibilityUsabilityCode QualityCode ReviewsDistributed TeamFirefoxFrontend Engineering
About the role
Role overview
Join Mozilla as a Senior Frontend Engineer to build high-quality user interfaces for Firefox. You’ll collaborate with cross-functional teams and help elevate the engineering practices and skills of fellow engineers.
Responsibilities
- Contribute to building high-quality Firefox user interfaces, with attention to accessibility and usability.
- Improve engineering practices and procedures, promoting high standards for code quality.
- Support teammates by improving skills through code reviews, presentations, and/or documentation.
Requirements
- Experience shipping high-quality software.
- Strong collaboration and communication, including ability to work effectively with a distributed team (strong asynchronous written and verbal communication).
- Commitment to Mozilla values: relationship-minded, responsible participation, grit, and welcoming differences.
- 3+ years with JavaScript, HTML, and CSS.
- 4+ years experience as a software engineer.
Nice-to-haves
- Background demonstrating how you ask thoughtful questions, propose ideas, and welcome constructive feedback.
About Mozilla
Mozilla is a global nonprofit organization best known for developing the Firefox web browser and related open web technologies. The company focuses on building high-quality products that support users, developers, and the open internet through engineering and cross-functional collaboration.
Scraped 6/17/2026