Senior Software Engineer, Continuous Integration

Job description

Job responsibilities

• Own CI performance, cost efficiency, and reliability end-to-end, at thousands of builds a day and growing
• Rethink CI failure analysis, triage, developer support, and incident response with modern AI tools, shifting first-line work off human on-call
• Work cross-functionally to find where integration slows down and fix it at the platform level, and enable teams to make their CI efficient and reliable
• Set the technical bar for how CI is built and operated, and mentor the engineers around you

Job requirements

• 5+ years of software engineering and programming experience, including significant experience in platform, infrastructure, or developer tooling
• Hands-on experience operating a distributed CI system at scale, Buildkite preferred; Jenkins, GitHub Actions, or similar
• Working familiarity with a modern build system such as Bazel, and with how caching and remote execution interact with CI
• Solid knowledge of version control systems such as Git
• Self-driven and motivated with a strong work ethic and passion for problem solving
• Cloud compute cost analysis and fleet economics (AWS EC2 instance families, spot, right-sizing)
• Experience dealing with the operational challenges of large monorepos and merge queues
• Experience in "infrastructure as code" tools like Terraform, Helm, and Ansible, and good knowledge of Kubernetes and containers