Staff Software Engineer, Continuous Integration

<div class="content-intro"><h2><strong>About Anthropic</strong></h2> <p>Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.</p></div><h3><strong>About Anthropic</strong></h3> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">Anthropic's mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.</p> <h3><strong>About the Role</strong></h3> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">Anthropic is seeking talented and experienced Software Engineers to join our Continuous Integration (CI) team within the Developer Productivity organization. The CI team is responsible for the infrastructure that enables hundreds of engineers to ship code safely and efficiently to production. By joining this team, you'll have a direct impact on the velocity and reliability of Anthropic's research and product development.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">The CI team manages Anthropic's continuous integration system, which includes:</p> <ul class="[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="whitespace-normal break-words pl-2"><strong>CI infrastructure</strong> for automated testing and code quality assurance across our monorepo, designed to scale with rapid growth</li> <li class="whitespace-normal break-words pl-2"><strong>Test infrastructure</strong> that runs on Kubernetes clusters across multiple cloud providers, handling intelligent test selection, execution, and reporting for a large and complex test suite</li> <li class="whitespace-normal break-words pl-2"><strong>Merge queue management</strong> and complex branching strategies that ensure code quality at scale</li> <li class="whitespace-normal break-words pl-2"><strong>CI tooling and automation</strong> to improve developer productivity and reduce operational overhead</li> </ul> <h3><strong>Responsibilities</strong></h3> <ul> <li class="whitespace-normal break-words pl-2">Design and build highly reliable, scalable CI infrastructure that supports thousands of daily builds across multiple cloud providers</li> <li class="whitespace-normal break-words pl-2">Develop intelligent test selection systems that reduce CI time while maintaining code quality</li> <li class="whitespace-normal break-words pl-2">Build and improve incident response automation, including cluster load shedding, automatic recovery, and observability tooling</li> <li class="whitespace-normal break-words pl-2">Improve test infrastructure reliability through flake detection, quarantine systems, and test state management</li> </ul> <h3><strong>You May Be a Good Fit If You:</strong></h3> <ul> <li class="whitespace-normal break-words pl-2">Have 10+ years of relevant industry experience building and operating large-scale CI/CD systems</li> <li class="whitespace-normal break-words pl-2">Have deep experience with CI orchestration tools (Buildkite, Jenkins, GitHub Actions, or similar)</li> <li class="whitespace-normal break-words pl-2">Are obsessed with developer productivity and reducing friction in the software development lifecycle</li> <li class="whitespace-normal break-words pl-2">Have experience with container orchestration at scale</li> <li class="whitespace-normal break-words pl-2">Have excellent communication skills and enjoy supporting internal partners</li> <li class="whitespace-normal break-words pl-2">Care deeply about reliability and building systems that "never fail the same way twice"</li> </ul> <h3><strong>Strong Candidates May Also Have:</strong></h3> <ul> <li class="whitespace-normal break-words pl-2">Experience with merge queues and branch management