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Mozilla

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Technical roles collected by JobSnout, including past vacancies. Tracking since 27 Aug 2026. Last successful scan: 27 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.

RoleStatusLocationFirst seenLast seenMarked no longer seen
Contract Staff Software Engineer - (Firefox) C++,Storage EncryptionC++Currently seenRemote UK26 Oct 202627 Oct 2026—
Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1Currently seenRemote Finland22 Oct 202627 Oct 2026—
Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1Currently seenRemote UK22 Oct 202627 Oct 2026—
Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1Currently seenRemote France22 Oct 202627 Oct 2026—
Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1Currently seenRemote Sweden22 Oct 202627 Oct 2026—
Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1Currently seenRemote Netherlands22 Oct 202627 Oct 2026—
Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1Currently seenRemote Spain22 Oct 202627 Oct 2026—
Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1Currently seenRemote Belgium22 Oct 202627 Oct 2026—
Staff Site Reliability Engineer, Tools & SystemsPythonTypeScriptJavaScriptRustC+++1Currently seenRemote Germany22 Oct 202627 Oct 2026—
Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQLCurrently seenRemote Sweden22 Oct 202627 Oct 2026—
Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQLCurrently seenRemote Spain22 Oct 202627 Oct 2026—
Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQLCurrently seenRemote Belgium22 Oct 202627 Oct 2026—
Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQLCurrently seenRemote Finland22 Oct 202627 Oct 2026—
Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQLCurrently seenRemote UK22 Oct 202627 Oct 2026—
Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQLCurrently seenRemote France22 Oct 202627 Oct 2026—
Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQLCurrently seenRemote Germany22 Oct 202627 Oct 2026—
Senior Software Engineer, PrivacyPythonJavaScriptRustC++SQLCurrently seenRemote Netherlands22 Oct 202627 Oct 2026—
Senior Contract C++ / JavaScript Software Engineer Firefox (Browser Engine)JavaScriptC++Currently seenRemote France20 Oct 202627 Oct 2026—
Senior Contract C++ / JavaScript Software Engineer Firefox (Browser Engine)JavaScriptC++Currently seenRemote UK20 Oct 202627 Oct 2026—
Senior Contract C++ / JavaScript Software Engineer Firefox (Browser Engine)JavaScriptC++Currently seenRemote Germany20 Oct 202627 Oct 2026—
Contract Staff Software Engineer - (Firefox) C++,Storage EncryptionC++Currently seenRemote Germany20 Oct 202627 Oct 2026—
Contract Staff Software Engineer-Bug BurndownJavaScriptCurrently seenRemote UK20 Oct 202627 Oct 2026—
Contract Staff Software Engineer-Bug BurndownJavaScriptCurrently seenRemote Germany20 Oct 202627 Oct 2026—
Senior Security GRC EngineerPythonSQLCurrently seenRemote UK16 Oct 202627 Oct 2026—
Senior Security GRC EngineerPythonSQLCurrently seenRemote Germany16 Oct 202627 Oct 2026—
Senior Software Engineer, Firefox SecurityJavaScriptRustC++Currently seenRemote Netherlands15 Oct 202627 Oct 2026—
Senior Software Engineer, Firefox SecurityJavaScriptRustC++Currently seenRemote Spain15 Oct 202627 Oct 2026—
Senior Software Engineer, Firefox SecurityJavaScriptRustC++Currently seenRemote Belgium15 Oct 202627 Oct 2026—
Senior Software Engineer, Firefox SecurityJavaScriptRustC++Currently seenRemote Finland15 Oct 202627 Oct 2026—
Senior Software Engineer, Firefox SecurityJavaScriptRustC++Currently seenRemote UK15 Oct 202627 Oct 2026—
Senior Software Engineer, Firefox SecurityJavaScriptRustC++Currently seenRemote Sweden15 Oct 202627 Oct 2026—
Senior Software Engineer, Firefox SecurityJavaScriptRustC++Currently seenRemote France15 Oct 202627 Oct 2026—
Senior Software Engineer, Firefox SecurityJavaScriptRustC++Currently seenRemote Germany14 Oct 202627 Oct 2026—
Senior Security Engineer - SecOpsAWSAzureGCPCurrently seenRemote Spain29 Sept 202627 Oct 2026—
Senior Security Engineer - SecOpsAWSAzureGCPCurrently seenRemote; Remote Germany29 Sept 202627 Oct 2026—
Senior Security Engineer - SecOpsAWSAzureGCPCurrently seenRemote Finland29 Sept 202627 Oct 2026—
Senior Security Engineer - SecOpsAWSAzureGCPCurrently seenRemote Germany29 Sept 202627 Oct 2026—
Senior Security Engineer - SecOpsAWSAzureGCPCurrently seenRemote Sweden29 Sept 202627 Oct 2026—
Senior Security Engineer - SecOpsAWSAzureGCPCurrently seenRemote Netherlands29 Sept 202627 Oct 2026—
Senior Security Engineer - SecOpsAWSAzureGCPCurrently seenRemote Belgium29 Sept 202627 Oct 2026—
Senior Security Engineer - SecOpsAWSAzureGCPCurrently seenRemote UK29 Sept 202627 Oct 2026—
Staff Software Engineer, Web Application ServicesPythonJavaScriptRust.NETC+++1Currently seenRemote; Remote 27 Sept 202627 Oct 2026—
Senior Contract C++ / JavaScript Software Engineer (Browser Engine)JavaScriptC++Currently seenRemote Belgium; Remote Denmark; Remote Finland; Remote France; Remote Netherlands; Remote Poland22 Sept 202627 Oct 2026—
Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetesCurrently seenRemote Netherlands16 Sept 202627 Oct 2026—
Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetesCurrently seenRemote Germany16 Sept 202627 Oct 2026—
Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetesCurrently seenRemote France16 Sept 202627 Oct 2026—
Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetesCurrently seenRemote UK16 Sept 202627 Oct 2026—
Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetesCurrently seenRemote Finland16 Sept 202627 Oct 2026—
Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetesCurrently seenRemote Spain16 Sept 202627 Oct 2026—
Senior Software Engineer, Add-OnsPythonTypeScriptMySQLGCPKubernetesCurrently seenRemote Belgium16 Sept 202627 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 seenNo longer seenReappeared
2026-081900
2026-0930270
2026-103420

Technologies in current roles

Counts are current postings mentioning each technology, not evidence of changes in the company’s stack.

JavaScript · 32C++ · 31Python · 28Rust · 25TypeScript · 17GCP · 16SQL · 10Kubernetes · 9AWS · 8Azure · 8MySQL · 8Terraform · 8

Observation timeline

121 recorded events, newest first. Posting updates do not retain historical text versions; role links show the latest stored description.

  1. First observedSenior Security Engineer - SecOps
  2. First observedSenior Security Engineer - SecOps
  3. First observedSenior Security Engineer - SecOps
  4. First observedStaff Software Engineer, Web Application Services
  5. Marked no longer seenSenior Security Engineer, Bug Bounty
  6. Marked no longer seenSenior Security Engineer, Bug Bounty
  7. First observedContract Software Engineer - WebCompat Tooling (Dashboards and Reporting), Firefox
  8. First observedSenior Contract C++ / JavaScript Software Engineer (Browser Engine)
  9. Marked no longer seenSenior Software Engineer, Add-Ons
  10. First observedSenior Software Engineer, Add-Ons
  11. First observedSenior Software Engineer, Add-Ons
  12. First observedSenior Software Engineer, Add-Ons
  13. First observedSenior Software Engineer, Add-Ons
  14. First observedSenior Software Engineer, Add-Ons
  15. First observedSenior Software Engineer, Add-Ons
  16. First observedSenior Software Engineer, Add-Ons
  17. First observedSenior Software Engineer, Add-Ons
  18. First observedSenior Software Engineer, Add-Ons
  19. First observedStaff Operations Engineer
  20. Marked no longer seenSoftware Engineer, Release Engineering
  21. Marked no longer seenSoftware Engineer, Release Engineering
  22. Marked no longer seenSoftware Engineer, Release Engineering
  23. Marked no longer seenSoftware Engineer, Release Engineering
  24. Marked no longer seenSoftware Engineer, Release Engineering
  25. First observedSoftware Engineer, Release Engineering
  26. Marked no longer seenSenior Software Engineer, Firefox Desktop
  27. Marked no longer seenSenior Software Engineer, Firefox Desktop
  28. Marked no longer seenSenior Software Engineer, Firefox Desktop
  29. Marked no longer seenSenior Software Engineer, Firefox Desktop
  30. Marked no longer seenSenior Software Engineer, Firefox Desktop
  31. Marked no longer seenSenior Software Engineer, Firefox Desktop
  32. Marked no longer seenSenior Software Engineer, Firefox Desktop
  33. Marked no longer seenSenior Software Engineer, Firefox Desktop
  34. Marked no longer seenSenior Software Engineer, Firefox Security
  35. Marked no longer seenSenior Software Engineer, Firefox Security
  36. Marked no longer seenSenior Software Engineer, Firefox Security
  37. Marked no longer seenSenior Software Engineer, Firefox Security
  38. Marked no longer seenSenior Software Engineer, Firefox Security
  39. Marked no longer seenSenior Software Engineer, Firefox Security
  40. Marked no longer seenSenior Software Engineer, Firefox Security
  41. Marked no longer seenSenior Software Engineer, Firefox Security
  42. Marked no longer seenSenior Security Engineer, Bug Bounty
  43. Marked no longer seenSenior Software Engineer, Desktop
  44. Marked no longer seenSenior Software Engineer, Security
  45. First observedSoftware Engineer, Release Engineering
  46. First observedStaff Product Engineer, Enterprise AI
  47. First observedSoftware Engineer, Release Engineering
  48. First observedSoftware Engineer, Release Engineering
  49. First observedSoftware Engineer, Release Engineering
  50. First observedSenior Software Engineer, Desktop