Senior Backend Engineer, Development Health

Senior Backend Engineer on Development Health builds and improves systems that engineering teams rely on for reliability, maintainability, and ease of extension. The role focuses on automation, tooling, and data to help teams spot problems early and ship with less friction, including health alerting for CI/CD pipelines, flaky and slow test detection, and engineering analytics. The engineer owns core systems from design through production, mentors peers, monitors production health, troubleshoots incidents, and uses AI agents to analyze issues and shape the product roadmap.

• Substantial experience as a backend or tooling engineer, owning production systems end to end.
• Strong proficiency in Ruby, or ability to become productive quickly.
• Experience maintaining or modernizing legacy codebases safely.
• Comfort with CI/CD systems, APIs, and automation at scale.
• Independent problem‑solving and clear, concise written communication.
• Experience writing automated unit and integration tests and participating in code review.
• Experience using AI coding assistants to speed development while critically reviewing output.
• Optional experience: Rails; developer productivity, engineering analytics, or internal tooling; GitLab’s product and open source contribution workflow; data pipelines or metrics reporting; or agent‑based workflows that run in production.