Backend Engineer (Ruby), Plan: Spec-Driven Development is open at GitLab (Remote, United Kingdom). Posted on Aug 12, 2026, and still on GitLab’s careers page when we last checked, on Nov 14, 2026.
About the role
Lead backend features from early product discussions through technical design, implementation, rollout, and post-launch learning. Build the flows, application programming interfaces, and data models behind agent-generated work items, implementation plans, durable specifications, and mergeable code. Develop evaluation and benchmarking systems that measure workflow quality, token cost, and success rate. Use Ruby on…
The opening lines of the posting. The rest is on GitLab’s careers page.
Hiring at GitLab
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