Specialty
The role
Mozilla is hiring a Senior Software Engineer for the Add-ons team, which runs addons.mozilla.org, the DevHub for extension developers, and the Reviewer tools and automated moderation systems behind Firefox add-ons. The work spans features, engineering standards and platform reliability.
What you will do
- Deliver major features and architecture improvements across the Add-ons stack, including moderation pipelines, Reviewer tools and DevHub
- Help set engineering standards such as code review, production readiness, runbooks, incident response and on-call practice
- Build observability systems and data-backed insights
- Improve CI/CD pipelines with declarative, pipeline-as-code approaches
- Write design notes, Architecture Decision Records, runbooks and incident write-ups
- Work with designers, product managers, QA and community contributors, and contribute in the open
What they ask for
- Strong hands-on experience building and maintaining production applications in Python and Django
- Experience operating production systems where reliability and safe delivery matter
- Strong experience with CI/CD and treating pipelines and infrastructure as code
- Experience designing automated testing and deployment workflows, including staged or progressive delivery
- Understanding of observability: metrics, logging, tracing, SLOs and alerting
- Experience building or maintaining internal tools or platforms used by other engineering teams
- Ability to read unfamiliar codebases and trace behavior across frontend, backend, async jobs and infrastructure
- Strong technical writing and collaboration in a distributed team
This is our own short reading of the posting. The full description, and anything that has changed since, is on Mozilla's careers page behind the apply button.
