Full-time

Staff Software Engineer, Add-on Operations

Mozilla

Posted

Feb 09, 2026

Location

Remote

Type

Full-time

Mission

What you will drive

  • Plan and deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines, Reviewer tools, and DevHub.
  • Partner with Engineering management to set Operations Engineering standards (SLOs, incident management, observability baselines).
  • Mentor engineers, sharing knowledge and delegating responsibilities to help others grow.
  • Improve platform reliability through deployments, monitoring, and incident response.

Impact

The difference you'll make

This role helps shape the next 25 years of technology and reclaim an internet built for people, not companies, by maintaining and improving the Firefox add-ons ecosystem that enables millions of users to customize their browsing experience.

Profile

What makes you a great fit

  • Experience leading and building modern web applications.
  • Strong experience with Python/Django or similar backend frameworks.
  • Understanding of web security principles and practices.
  • Strong collaboration and communication skills in a distributed team environment.

Benefits

What's in it for you

  • Generous performance-based bonus plans
  • Rich medical, dental, and vision coverage
  • Generous retirement contributions with 100% immediate vesting
  • Quarterly all-company wellness days
  • Country specific holidays plus birthday day off
  • One-time home office stipend
  • Annual professional development budget
  • Quarterly well-being stipend
  • Considerable paid parental leave
  • Employee referral bonus program
  • Other benefits (life/AD&D, disability, EAP, etc.)