---
title: "Senior Contract C++ / JavaScript Software Engineer…"
canonical: "https://openvibe.work/jobs/job_6wn1ystvmgrk3p1anv55g20qyh"
updated: null
---

# Senior Contract C++ / JavaScript Software Engineer…

HTML: [Senior Contract C++ / JavaScript Software Engineer…](https://openvibe.work/jobs/job_6wn1ystvmgrk3p1anv55g20qyh)

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

[mozilla](/companies/mozilla) · Location not given

Salary not listed by the employer

Firefox

## Excerpt

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

Short excerpt only. You apply on Arbeitnow.

[Read the full listing on Arbeitnow](https://www.arbeitnow.fr/jobs/companies/mozilla/senior-contract-c-javascript-software-engineer-browser-engine-116355) Read from Arbeitnow on 14 November 2026

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 Where this listing came from · Arbeitnow

- Source: [Arbeitnow](https://www.arbeitnow.fr/jobs/companies/mozilla/senior-contract-c-javascript-software-engineer-browser-engine-116355) — [its terms as applied](/sources#arbeitnow)
- Posted: 2026-11-14 06:55:18 UTC
- Read from the board: 2026-11-14 11:28:50 UTC
- First seen: 2026-11-14 11:28:50 UTC
- Last seen: 2026-11-14 11:28:50 UTC
- Board's id: `senior-contract-c-javascript-software-engineer-browser-engine-116355`

Found a problem with this listing, or want it gone? It is the board's listing, not ours — the source above is where it lives. In code: `GET /api/v1/jobs/job_6wn1ystvmgrk3p1anv55g20qyh`.