Contract Software Engineer - Dom Core Firefox/Gecko
Mozilla
Remote France
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.
Similar jobs
Customer Success Manager
A career that’s the whole package!At Conga, we’ve built a community where our colleagues can thrive. Here you’ll find opportunities to in...
Team Lead, Deal Desk (Enterprise)
This is AdyenAdyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft...
Engineering Internship, Supply Chain (Summer 2027)
Amca is building America’s new industrial base. Since the 1990s, our ability to build new aviation and military systems and maintain the ...
Mission Architecture Intern (Summer 2027)
About the roleSummer internships will range between the months of May and September depending on university schedules. Internship is full...
Copywriter (18 Month Contract)
The Copywriter plays an essential role in growing brand value in our business through collaboration and sharing best practices across the...
Copywriter (18 Month Contract)
Lush North America supports over 262 retail stores in Canada and the USA, a mail order business based in Vancouver, and manufacturing cen...