Senior Software Engineer, Add-ons Platform & Reliability

Mozilla · London, England ·

Apply on partner site You apply on the advertiser's own site — nothing is stored here.

Mozilla is seeking a Senior Software Engineer to advance the Firefox Add-ons ecosystem, delivering major features across the AMO stack and refining the DevHub and Reviewer tooling. You will help modernize the platform, improve architecture, and reach millions of users globally.

You will uphold engineering standards, build robust observability, and enhance CI/CD with pipeline-as-code. The role requires hands-on Python/Django, Kubernetes, and cloud experience, plus collaboration with product, QA,

Apply on partner site Listing supplied by one of our partner job boards. Last confirmed: 1 day ago.

Report this job

Market data from EasyWorkClub, not from the employer

Typical pay for Software developer in London: £55,000 – £110,800, from 654 adverts

2786 live adverts for Software developer in London

Same role within 50 km

Remote or home office in 17% of 897 Software developer adverts we list nationwide

More openings at Mozilla

6 other openings we list

MozillaLondon Apply