Overview
As a Senior Software Engineer on the AMO/DevHub domain, you will help shape the Firefox add-ons ecosystem by delivering major features and architectural improvements. You'll partner with engineers, reviewers, product leads, and the community to modernize the platform, improve reliability, and scale review and moderation. You'll build observable, data-driven systems and guide the team with strong engineering practices. This role offers impact at scale and a chance to contribute to an open, privacy-respecting internet.
Compensaciones / Incentivos generous performance-based bonus
medical, dental, and vision coverage
retirement contributions with immediate vesting
well-being stipend and wellness days
home office stipend
professional development budget
Responsabilidades
Deliver major features and architectural improvements across the Add-ons stack (automated moderation pipelines, Reviewer tools, DevHub)
Establish and maintain engineering standards (code review, production readiness, incident response, runbooks, IaC)
Create robust observability systems and data-backed insights




Mentor peers and share knowledge to grow the team
Improve CI/CD pipelines with declarative, pipeline-as-code approaches
Deliver work iteratively with clear backlog and stakeholder reviews
Produce technical documentation (design notes, ADRs, runbooks, incident reports)
Trace and diagnose failures across frontend, backend, asynchronous jobs, data stores, and infra
Collaborate with designers, PMs, QA, and community contributors to ship end-to-end improvements
Contribute to open source via PRs, code reviews, and discussions
Work on: feature development (submission flows, trust signals, DevHub/Reviewer tools modernization)
AMO stack: Python/Django, MySQL, React/TypeScript, asynchronous processing
Internal developer platforms: build tools to help teams ship and operate safely
Requisitos principales Hands-on production-grade Python/Django experience
Proven reliability-focused production software o

📌 Senior Software Engineer, Add-Ons (Alicante (Alacant))
🏢 Mozilla
📍 Alicante (Alacant)