Contract Software Engineer - DOM Core Firefox/Gecko

Mozilla; France; Sur place; EUR 70 000 - 90 000; Plein temps

Résumé du poste

Mozilla is seeking someone to help the Firefox DOM Core team improve the health of the Session History area. You will write tests to improve coverage, fix tests and problems to improve Gecko correctness, and work through code reviews to land changes.

You will collaborate with Gecko module owners and focus on ensuring robust test coverage and correctness for the Session History components.

Qualifications

• Substantial experience in a browser-engine codebase or automating for a browser-engine, ideally Firefox/Gecko.
• Solid JavaScript and applying that language to write automated tests.
• Proficiency in and experience developing software in C++.
• Strong debugging skills in a mature large codebase.
• Comfort working in the open: public bugs, code review, and upstream landing.

Responsabilités

• Write Web-Platform tests to improve coverage and Gecko mochitests as needed.
• Fix tests and problems to improve Gecko correctness.
• Collaborate through code reviews with Gecko module owners and iterate to landing.

Connaissances

JavaScript

C++

Test automation

Debugging

Description du poste

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.