Backend Engineer, Source Code: Repository Services (Ruby)
At GitLab
Posted 30 Oct 2026 · Application link last checked 15 Nov 2026
Who Can Apply
This role is open to people based in United Kingdom — Remote, United Kingdom. If you live somewhere else, you probably can't be hired for it unless the posting says otherwise.
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Role Overview
- Develop secure, well-tested, performant features and improvements using Ruby and GraphQL.
- Work through complex requirements and legacy constraints to deliver clear solutions while protecting the reliability of this critical system.
- Design and maintain backend services, application programming interfaces, data models, and business logic that control how code reaches a repository, who may change it, and how it is verified.
- Build on the primitives Gitaly provides and work closely with the Gitaly team.
- Triage and fix bugs and support requests for the features the team owns.
- Collaborate across functions and teams, both asynchronously and synchronously, and involve domain experts when their input will improve the outcome.
- Use artificial intelligence agents for well-scoped work when they can speed up delivery without sacrificing quality, and critically review their output.
- Write maintainable code that follows GitLab's standards and contribute to constructive code reviews.
- Help strengthen reliability by monitoring production health metrics, participating in Tier 2 on-call, troubleshooting incidents, contributing to root cause analysis, and improving observability and resiliency.
- Share knowledge through code review, technical documentation, and everyday collaboration while learning from others.
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