You and the process

With a person
Anna, in-house recruiter
9 years hiring engineers
30 minutes with a real recruiter
They read your CV with you, on a call, and say where the offers are being lost.
Didn’t find what you were looking for? Tell us what to build
Mozilla

Senior Contract C++ / JavaScript Software Engineer (Browser Engine)

  • Remote
  • 6+ years

Salary

Not stated

Similar roles pay €65K - 100K a year · our estimate

AI summary

For members

The whole posting in a few lines. Sign up to read it here and on every role you open.

Sign Up to Read

Description

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

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.

Responsibilities

  • 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
  • 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.

Where you’d work

Fully remote

You can work from

  • Europe
  • Belgium
  • Denmark
  • Finland
  • France
  • Netherlands
  • Poland

About the company

Mozilla

64 of their 64 open roles are remote

Your chances

Worth a look before you spend an evening tailoring a CV for it.

  • 19 checks run
  • 2 red flags

Still hiring?

13 checks

1 red flag

How crowded?

6 checks

1 red flag

Fits Me

How well does this role fit you?

Answer a few questions or drop your CV, and every role gets a fit score with the reasons, this one first.

  • Your field
  • Level
  • Stack
  • Work model
  • Salary floor
  • Must-haves
Details10 facts · Role, Location, Compensation, Employment
Tech stack
  • JavaScript
  • C++
Seniority
Senior
Type
Contract
Region
Europe
Pay period
Annual
Show 5 more factsShow less

Role

Category
Development
Seniority
Senior
Experience
6+ years
Tech stack
  • JavaScript
  • C++

Location

Work model
Remote
Region
Europe
Remote from
  • Europe

Compensation

Salary
Salary by agreement
Pay period
Annual

Employment

Type
Contract

Something wrong with this vacancy?

Similar vacancies

Share this vacancy

What's wrong with it?

The employer never sees who reported.

Reason