Jobs / Canada / Mozilla Corporation

Mozilla Corporation

Contract Staff Software Engineer - (Firefox) C++,Storage Encryption

Remote Canada; Remote Germany; Remote UK · Remote · Several countries Posted today

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Where you can work from

Several countries

Based on the listing's location: Remote Canada; Remote Germany; Remote UK.

The company's headquarters is not the same as where you may work from. Visa sponsorship only matters if you would relocate; see below.

Visa sponsorship, if you would relocate

Sponsorship verdict

No sponsorship evidence yet

No government record and no wording either way. Not a refusal: ask the recruiter.

  • No government sponsor record hereNo government sponsor record covers this employer in this country.
  • The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
  • No salary bar for this routeCanada has no single salary bar: the employer usually needs a positive LMIA.
  • Confirmed live todayWhen a source last listed this job as open.
Details and sources
No salary bar for this route
Canada has no single salary bar: the employer usually needs a positive LMIA. Pay at or above the provincial median wage + 20% (e.g. C$36.92/h in Ontario) puts it in the high-wage stream. Source: https://www.canada.ca/en/employment-social-development/services/foreign-workers/median-wage.html, rules effective 2026-07-17.

Canada: Express Entry no longer awards ranking points for job offers (since 25 Mar 2025); a job offer still counts toward Federal Skilled Worker eligibility.

A verdict summarises public evidence. It is not legal advice and never a guarantee: the employer and the immigration authority decide. Sign in to factor in where you can already work.

Before you apply

Sponsorship unknown

No register record and no sponsorship wording in the posting. Worth asking the employer before investing significant time.

These come from the posting’s own wording. Read the original listing to confirm. See better-fit alternatives →

About the role

The role You will help the Firefox DOM LWS team to implement tasks for Storage Encryption everywhere, helping to drive the in-progress project through to completion . Responsibilities • Contributing to delivering Storage Encryption Everywhere in Gecko, which may include tasks such as migrating data between schemas, implementing data storage in PBM and integration testing. • Write and pass Web Platform Tests, and add Gecko tests as needed. • Work through code review with the relevant Gecko module owners and iterate to landing. • Surface and help resolve any specification questions the implementation raises. • Shepherd the feature through Nightly, Beta, and Release. Fix correctness, performance issues and regressions. Definition of done Ship Storage Encryption Everywhere to release channel. Fix triaged and prioritized issues. Required qualifications • Strong C++. • Substantial experience in a browser-engine codebase, ideally Firefox/Gecko. • Substantial experience in databases. • Familiarity with web standards and Web Platform Tests. • Strong debugging and optimization in a multithreaded 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 the relevant standards body and specification process.

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