Mozilla
Contract Staff Software Engineer-Bug Burndown
- LocationGermany
- Listed20/10/2026
- FieldSoftware engineering
About the job
You will help reduce Firefox’s WebCompat bug backlog by finishing or verifying the diagnosis of the long tail of site-breakage bugs, and by writing interventions or simple fixes (often with AI assistance). You turn a large queue of reported breakages into diagnosed, actionable, or fixed bugs.
Responsibilities
- Finish diagnosing, or verify the diagnosis of, long-tail WebCompat bugs.
- Write WebCompat interventions where appropriate.
- Write simple fixes (AI-assisted) and land them.
- Reproduce and triage incoming site-breakage reports.
Required qualifications
- Solid web development (HTML, CSS, JavaScript) and comfort debugging real-world site breakage.
- Fluent with browser devtools and cross-browser diagnosis.
- Comfortable using AI tooling to speed up diagnosis and fixes.
Preferred
- Gecko knowledge is a strong plus (but can be taught).
- Prior WebCompat or web-standards experience.
Job details
- Company
- Mozilla
- Work model
- Remote
- Posted
- 20 October 2026
- Advert site
- job-boards.greenhouse.io
How to apply
Find Best Job fills in and sends this employer's form for you, with your CV and your answers. Create the account and this job goes into your queue.
Free to start: 3 applications, 1 a day. Buy credits and up to 10 go out a day, from US$0.33 an application. See prices