ROLE OVERVIEWAbout this role
Read the essentials first, then expand the complete employer description for more detail.
Automatically condensed from the published description; check the original employer listing before applying.
- You will help the Firefox DOM Core team improve the health of the Session History area. You will write tests to improve the coverage; you will fix tests and/or problems to improve the Gecko correctness.
- Write Web-Platform tests to improve the coverage, and Gecko mochitests as needed
- Fix the problems and pass the tests to improve the Gecko correctness
Read the complete job description ⌄
The role:
You will help the Firefox DOM Core team improve the health of the Session History area. You will write tests to improve the coverage; you will fix tests and/or problems to improve the Gecko correctness.
Responsibilities
- Write Web-Platform tests to improve the coverage, and Gecko mochitests as needed
- Fix the problems and pass the tests to improve the Gecko correctness
- Work through code review with the relevant Gecko module owners and iterate to landing
Definition of done:
Improved Session History test coverage and code correctness in Gecko, measured by passed test cases, allowing the team’s senior engineers to focus on security, performance and strategic projects. Required qualifications:
- Substantial experience in a browser-engine codebase or in automating for a browser-engine, ideally Firefox/Gecko.
- Solid Javascript and applying that language skill to write automated tests.
- Proficiency in and experience developing software in C++.
- Strong debugging skills in a mature larget codebase.
- Comfort working in the open: public bugs, code review, and upstream landing.
Preferred:
- Prior contributions to Gecko or another major browser engine.
- Familiarity with web standards and Web Platform Tests.
Find Jobs in Netherlands on Arbeitnow
- LOCATION
- Worldwide
- WORK MODE
- On-site
- JOB TYPE
- Not specified
- POSTED
- Oct 16, 2026
- CLOSING
- Nov 30, 2026
Source: arbeitnow