Senior Contract Web Developer - Firefox (Browser Engine)

Mozilla · mozilla.com

Remote Germany Remote 12 days ago
Workplace
Remote
Location
Germany
Who can apply
Remote for people based in Germany

Check your CV against this job

Free · No signup · A 0–100 ATS match score and the keywords you're missing.

Check my CV free

$14.99/month in most countries, cancel anytime. Already have an account? Log in

About the role

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.

Tools and guides for your application

Get matched & apply with FindAJobAI

Upload your resume once. We score every job against your profile, tailor your resume and cover letter, and autofill the application.