Senior Software Engineer

Senior Software Engineer - Add-Ons at Mozilla Corporation. Team: Firefox. Locations: Remote Canada, Remote Finland, Remote Netherlands, Remote Spain, Remote Germany, Remote UK, Remote France, Remote Belgium, Remote Sweden. What you’ll do: Deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines, Reviewer tools, and DevHub. Create observability and data insights. Collaborate across teams to modernize the platform. Work on full stack: React/TypeScript frontend, Django backend, MySQL datastore; platform reliability on Google Cloud; ecosystem moderation and policy compliance. What you’ll bring: Experience building modern web apps; Python/Django; security; collaboration in distributed teams. Bonus: cloud infra, open source contributions. What you’ll get: comprehensive benefits including health, retirement, parental leave, home office stipend, development budget, wellness stipend, etc.

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