Mozilla
Technical roles collected by JobSnout, including past vacancies. Tracking since 27 Aug 2026. Last successful scan: 28 Oct 2026. All observation dates are UTC.
This is JobSnout’s recorded coverage, not the company’s complete hiring history. First seen is when we found a posting, not its publication date. “No longer seen” means it disappeared across repeated successful scans; it does not mean someone was hired.
54
Current roles
29
Past roles
83
Roles recorded
0
Reappearances recorded
Roles advertised
54 current roles · newest first · page 1 of 2. Source duplicates are folded into their retained posting.
| Role | Status | Location | First seen | Last seen | Marked no longer seen |
|---|---|---|---|---|---|
| Contract Staff Software Engineer - (Firefox) C++,Storage EncryptionC++ | Currently seen | Remote UK | 26 Oct 2026 | 28 Oct 2026 | — |
| Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1 | Currently seen | Remote Finland | 22 Oct 2026 | 28 Oct 2026 | — |
| Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1 | Currently seen | Remote UK | 22 Oct 2026 | 28 Oct 2026 | — |
| Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1 | Currently seen | Remote France | 22 Oct 2026 | 28 Oct 2026 | — |
| Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1 | Currently seen | Remote Sweden | 22 Oct 2026 | 28 Oct 2026 | — |
| Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1 | Currently seen | Remote Netherlands | 22 Oct 2026 | 28 Oct 2026 | — |
| Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1 | Currently seen | Remote Spain | 22 Oct 2026 | 28 Oct 2026 | — |
| Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1 | Currently seen | Remote Belgium | 22 Oct 2026 | 28 Oct 2026 | — |
| Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1 | Currently seen | Remote Germany | 22 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQL | Currently seen | Remote Sweden | 22 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQL | Currently seen | Remote Spain | 22 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQL | Currently seen | Remote Belgium | 22 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQL | Currently seen | Remote Finland | 22 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQL | Currently seen | Remote UK | 22 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQL | Currently seen | Remote France | 22 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQL | Currently seen | Remote Germany | 22 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQL | Currently seen | Remote Netherlands | 22 Oct 2026 | 28 Oct 2026 | — |
| Senior Contract C++ / JavaScript Software Engineer Firefox (Browser Engine)JavaScriptC++ | Currently seen | Remote France | 20 Oct 2026 | 28 Oct 2026 | — |
| Senior Contract Software Engineer (JavaScript) - FirefoxJavaScriptC++ | Currently seen | Remote UK | 20 Oct 2026 | 28 Oct 2026 | — |
| Senior Contract Web Developer - Firefox (Browser Engine)JavaScriptC++ | Currently seen | Remote Germany | 20 Oct 2026 | 28 Oct 2026 | — |
| Contract Staff Software Engineer - (Firefox) C++,Storage EncryptionC++ | Currently seen | Remote Germany | 20 Oct 2026 | 28 Oct 2026 | — |
| Contract Staff Software Engineer-Bug BurndownJavaScript | Currently seen | Remote UK | 20 Oct 2026 | 28 Oct 2026 | — |
| Contract Staff Software Engineer-Bug BurndownJavaScript | Currently seen | Remote Germany | 20 Oct 2026 | 28 Oct 2026 | — |
| Senior Security GRC EngineerPythonSQL | Currently seen | Remote UK | 16 Oct 2026 | 28 Oct 2026 | — |
| Senior Security GRC EngineerPythonSQL | Currently seen | Remote Germany | 16 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Firefox SecurityJavaScriptRustC++ | Currently seen | Remote Netherlands | 15 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Firefox SecurityJavaScriptRustC++ | Currently seen | Remote Spain | 15 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Firefox SecurityJavaScriptRustC++ | Currently seen | Remote Belgium | 15 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Firefox SecurityJavaScriptRustC++ | Currently seen | Remote Finland | 15 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Firefox SecurityJavaScriptRustC++ | Currently seen | Remote UK | 15 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Firefox SecurityJavaScriptRustC++ | Currently seen | Remote Sweden | 15 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Firefox SecurityJavaScriptRustC++ | Currently seen | Remote France | 15 Oct 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Firefox SecurityJavaScriptRustC++ | Currently seen | Remote Germany | 14 Oct 2026 | 28 Oct 2026 | — |
| Senior Security Engineer - SecOpsAWSAzureGCP | Currently seen | Remote Spain | 29 Sept 2026 | 28 Oct 2026 | — |
| Senior Security Engineer - SecOpsAWSAzureGCP | Currently seen | Remote; Remote Germany | 29 Sept 2026 | 28 Oct 2026 | — |
| Senior Security Engineer - SecOpsAWSAzureGCP | Currently seen | Remote Finland | 29 Sept 2026 | 28 Oct 2026 | — |
| Senior Security Engineer - SecOpsAWSAzureGCP | Currently seen | Remote Germany | 29 Sept 2026 | 28 Oct 2026 | — |
| Senior Security Engineer - SecOpsAWSAzureGCP | Currently seen | Remote Sweden | 29 Sept 2026 | 28 Oct 2026 | — |
| Senior Security Engineer - SecOpsAWSAzureGCP | Currently seen | Remote Netherlands | 29 Sept 2026 | 28 Oct 2026 | — |
| Senior Security Engineer - SecOpsAWSAzureGCP | Currently seen | Remote Belgium | 29 Sept 2026 | 28 Oct 2026 | — |
| Senior Security Engineer - SecOpsAWSAzureGCP | Currently seen | Remote UK | 29 Sept 2026 | 28 Oct 2026 | — |
| Staff Software Engineer, Web Application ServicesPythonJavaScriptRust.NETC+++1 | Currently seen | Remote; Remote | 27 Sept 2026 | 28 Oct 2026 | — |
| Senior Contract C++ / JavaScript Software Engineer (Browser Engine)JavaScriptC++ | Currently seen | Remote Belgium; Remote Denmark; Remote Finland; Remote France; Remote Netherlands; Remote Poland | 22 Sept 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetes | Currently seen | Remote Netherlands | 16 Sept 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetes | Currently seen | Remote Germany | 16 Sept 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetes | Currently seen | Remote France | 16 Sept 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetes | Currently seen | Remote UK | 16 Sept 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetes | Currently seen | Remote Finland | 16 Sept 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetes | Currently seen | Remote Spain | 16 Sept 2026 | 28 Oct 2026 | — |
| Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetes | Currently seen | Remote Belgium | 16 Sept 2026 | 28 Oct 2026 | — |
Observed hiring activity
Monthly observations, up to the last 12 months. The initial import can produce a spike. These counts measure postings and reappearances, not hires, headcount growth or unique recruitment campaigns. The current month is incomplete.
| Month (UTC) | First seen | No longer seen | Reappeared |
|---|---|---|---|
| 2026-08 | 19 | 0 | 0 |
| 2026-09 | 30 | 27 | 0 |
| 2026-10 | 34 | 2 | 0 |
Technologies in current roles
Counts are current postings mentioning each technology, not evidence of changes in the company’s stack.
Observation timeline
123 recorded events, newest first. Posting updates do not retain historical text versions; role links show the latest stored description.
- First observedSoftware Engineer, Release Engineering
- First observedSenior Software Engineer, Desktop
- First observedSenior Software Engineer, Security
- First observedSenior Security Engineer, Bug Bounty
- First observedSenior Software Engineer, Firefox Security
- First observedSenior Software Engineer, Firefox Security
- First observedSenior Software Engineer, Firefox Security
- First observedSenior Software Engineer, Firefox Security
- First observedSenior Software Engineer, Firefox Security
- First observedSenior Software Engineer, Firefox Security
- First observedSenior Software Engineer, Firefox Security
- First observedSenior Software Engineer, Firefox Security
- First observedSenior Software Engineer, Firefox Desktop
- First observedSenior Software Engineer, Firefox Desktop
- First observedSenior Software Engineer, Firefox Desktop
- First observedSenior Software Engineer, Firefox Desktop
- First observedSenior Software Engineer, Firefox Desktop
- First observedSenior Software Engineer, Firefox Desktop
- First observedSenior Software Engineer, Firefox Desktop
- First observedSenior Software Engineer, Firefox Desktop
- First observedSenior Security Engineer, Bug Bounty
- First observedSenior Security Engineer, Bug Bounty
- First observedSenior Mobile Engineer, iOS