Senior Software Engineer, Add-Ons - Remote UK

Mozilla · Remote UK · All 22 Mozilla jobs

No pay statedRemote

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Checker · last seen live 05 Nov 2026
Still open
Work pattern
Remote
Level
Senior
Posted
15 Sep 2026
Age
30+ days old (since 15 Sep)
Source
Employer's own page, Greenhouse
Advertised pay
Not stated
Some employers keep roles open on purpose

Half of recent software engineer adverts in the UK (remote roles) state £100,930 to £166,000 a year. The middle is £127,500.

Why many UK adverts do not say: how to read a UK job advert.

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Required skills

  • Python
  • Django
  • CI/CD
  • Observability
  • Technical Writing
  • Communication Skills

Nice to have

  • Social Media
  • Leadership
  • MySQL
  • React
  • TypeScript
  • Process Improvement
  • Test Automation
  • GCP
  • Kubernetes

About the job

Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies.

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Source: Mozilla's careers site

Adverts belong to the employers' own sites.