InternFlow

Europe Arbeitnow ·

contract

Contract Software Engineer - DOM Core Firefox/gecko

Mozilla · Europe

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

RoleContract Software Engineer - DOM Core Firefox/gecko
CompanyMozilla
LocationEurope
Typecontract
CompensationNot disclosed
DeadlineRolling

Typical process for this type of role

A general guide — the exact steps for this specific listing may vary; check the original posting for details.

  1. 1ApplicationSubmit your resume through the apply link.
  2. 2ScreeningRecruiter reviews your background against the role.
  3. 3AssessmentA technical test, assignment, or coding round, depending on the role.
  4. 4Interview(s)One or more rounds with the hiring team.
  5. 5OfferOffer letter with compensation and start date.

Before you apply

0/4

More at Mozilla

Other jobs at Mozilla

See all 4 openings at Mozilla

Explore Related Placements


// similar opportunities

You might also like

Contract Platform Engineer

Yld

Yld logo
Europecontract
Arbeitnow

Location: UK Remote (GMT timezone) Department: Engineering Employment Type: Contract (B2B) About YLD: Our goal is to help our clients keep moving forward. We wo...

Apply now →

Full-stack Software Engineer (contract)

Lemrock

Lemrock logo
Pariscontract
Arbeitnow

Who we are Lemrock builds the infrastructure of agentic commerce. Tomorrow, consumers won't just buy on e-commerce websites. They will discover, compare and pur...

Apply now →

Senior Software Engineer (comms Core)

Affirm

Remote Polandcontract
RemoteAny GraduateGreenhouseSoftware Development# Python# Kotlin# AWS# MySQL+2 more

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on ...

['On-Call Rotation']

Apply now →

Senior Software Engineer (team Contract)

Sunweb Group

Sunweb Group logo
Rotterdam, Zuid-Holland, Netherlandscontract
New
Arbeitnow

Build the technology behind our holiday contracts At Sunweb Group, we are developing a new internal application for creating and managing contracts with our sup...

Apply now →

Senior Cloud Security Engineer - AI Resilience & Security Enhancements (fixed-term Contract)

Form3

Form3 logo
Europecontract
Arbeitnow

THE PROJECT 📝 We're looking for an experienced Senior Cloud Security Engineer to join Form3 on a 12 month fixed term contract basis to deliver a strategic prog...

Apply now →

Senior Software Engineer

Webflow

Argentina Remotecontract
Greenhouse

Webflow is the agentic web marketing platform for modern marketing teams, helping organizations build, manage, and optimize high-performing web experiences that...

Apply now →