68K–91K EUR / year

Senior Software Engineer, Add-Ons

BackendRemote — Germany
Published on 2026-10-06
These details were extracted automatically from the original listing. They may not be complete or fully up to date — it's worth checking the original job post.

About this role

As a Senior Software Engineer at Mozilla, you will work on the Firefox add-ons ecosystem, focusing on building resilient systems for developer support and moderation. You'll collaborate with a variety of teams to deliver major features and architectural improvements while maintaining high engineering standards.

About the company

Mozilla builds open-source products and technologies, including Firefox, that prioritize privacy, security, and an open internet.

The team

Add-ons engineering team

Stack

PythonDjangoMySQLReactTypeScript

What you'll do

  • Deliver major features and architectural improvements across the Add-ons stack
  • Maintain engineering standards for code review and incident response
  • Create observability systems and data-backed insights
  • Improve CI/CD pipelines with pipeline-as-code approaches
  • Collaborate with cross-functional teams for end-to-end improvements

What we're looking for

  • Experience with Python/Django in production applications
  • Knowledge of CI/CD systems and pipeline management
  • Strong understanding of observability practices
  • Ability to trace application behavior across different systems
  • Experience with operational readiness and incident response

Nice to have

  • Experience with Google Cloud and Kubernetes
  • Knowledge of chaos engineering and disaster recovery
  • Contributions to open source projects

Benefits

  • Performance-based bonus
  • Generous retirement contributions
  • Quarterly wellness days
  • Annual professional development budget
  • Paid parental leave
View original job post