Software Engineer-Bug Burndown
Job in
Philadelphia, Philadelphia County, Pennsylvania, 19113, USA
Listing for:
mozilla
Full Time
position
Listed on 2026-11-14
Job specializations:
-
Software Development
Job Description & How to Apply Below
Role overview
A staff-level engineering role focused on reducing a long backlog of website compatibility bugs in a major web browser. The work centers on finishing or verifying diagnoses for site-breakage reports and turning that queue into actionable, fixed, or intervened issues, often using AI-assisted tooling.
Responsibilities- Complete the diagnosis of long-tail web compatibility bugs, or confirm the diagnosis already recorded
- Author web compatibility interventions where they are the right fix
- Implement simple, AI-assisted code fixes and land them in the codebase
- Reproduce and triage incoming site-breakage reports
- Move large queues of reported breakages toward resolved or clearly actionable states
- Solid web development skills across HTML, CSS, and JavaScript, with comfort debugging real-world site breakage
- Fluency with browser devtools and cross-browser diagnosis techniques
- Comfort using AI tooling to speed up both diagnosis and fix implementation
- Familiarity with the Gecko browser engine
- Prior experience with web compatibility work or web standards
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