Senior Backend Engineer, Development Health

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role As a Senior Backend Engineer on Development Health, you'll help make the systems that engineering teams rely on more reliable, maintainable, and easier to extend. You'll build and improve the automation, tooling, and data that help teams spot problems early and ship with less friction. As customer zero for GitLab, we support engineering workflows on GitLab's own product at scale. You'll use the product in demanding, real-world ways, surface the friction and gaps you find, and contribute to improvements that get built into the product for GitLab's customers. You'll support work such as: • Health alerting and remediation routing for GitLab's core continuous integration and continuous delivery (CI/CD) pipelines • Flaky and slow test detection systems • Engineering analytics and reporting that engineering teams use to make decisions What you’ll do • Own and evolve core Development Health systems, from design through production. • Improve the reliability, maintainability, and test coverage of long-lived automation, and reduce reliance on undocumented knowledge by documenting and simplifying legacy systems. • Partner with engineering managers and product teams to identify workflow pain points and turn them into well-scoped, measurable improvements. • Work with data to show whether changes improve engineering health, and use it to prioritize. • Mentor intermediate engineers through code review, design feedback, and pairing. • Communicate clearly in writing and asynchronously, including status, tradeoffs, and proposals for stakeholders across Engineering. • Monitor the health of production systems, troubleshoot incidents, and contribute to root cause analysis. • Use artificial intelligence (AI) agents and assistants to analyze issues and problem areas to help shape the team's product roadmap. What you’ll bring • Substantial experience as a backend or tooling engineer, with a track record of owning production systems end to end. • Strong proficiency in Ruby, or the ability to become productive quickly. • Experience maintaining or modernizing legacy codebases safely. • Comfort with CI/CD systems, application programming interfaces (APIs), and automation at scale. • Independent problem-solving and clear, concise written communication: you spot problems early, raise risks proactively, and drive work to completion without close direction. • Experience writing aut