Senior Software Engineer, Add-Ons
Core
Build resilient systems and modernize the architecture for the Firefox add-ons ecosystem, including automated moderation pipelines, reviewer tools, and the DevHub.
Role type
Senior Software Engineer (Full Stack)
Builds
Automated moderation pipelines, Reviewer tools, DevHub, and submission flows for the Firefox add-ons platform.
Domain
Internet infrastructure / Web platform / Ecosystem moderation
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Full stack development, Python/Django, web security principles, cloud infrastructure, incident response, observability, React/TypeScript, MySQL
Preferred skills
Automated security systems, Google Cloud, open source contributions, policy-compliant ecosystem moderation tools
Technologies
React, TypeScript, Django, MySQL, Google Cloud
Responsibilities
Deliver major features and architectural improvements across the Add-ons stack; Create robust observability systems and data-backed insights; Improve platform reliability through deployments, monitoring, and incident response; Collaborate with designers, product managers, QA, and community contributors to deliver end-to-end improvements; Contribute in the open through pull requests, code reviews, and discussions.
Seniority
Senior, hands-on IC
