Staff Software Engineer, Continuous Integration

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 syst...

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, y...

The CI team manages Anthropic's continuous integration system, which includes:

The CI team manages Anthropic's continuous integration system, which includes:
CI infrastructure for automated testing and code quality assurance across our monorepo, designed to scale with rapid growth
Test infrastructure that runs on Kubernetes clusters across multiple cloud providers, handling intelligent test selection, execution, and reporting for a large and complex test suite
Merge queue management and complex branching strategies that ensure code quality at scale
CI tooling and automation to improve developer productivity and reduce operational overhead
Design and build highly reliable, scalable CI infrastructure that supports thousands of daily builds across multiple cloud providers
Develop intelligent test selection systems that reduce CI time while maintaining code quality
Build and improve incident response automation, including cluster load shedding, automatic recovery, and observability tooling
Improve test infrastructure reliability through flake detection, quarantine systems, and test state management
Have 10+ years of relevant industry experience building and operating large-scale CI/CD systems
Have deep experience with CI orchestration tools (Buildkite, Jenkins, GitHub Actions, or similar)
Are obsessed with developer productivity and reducing friction in the software development lifecycle
Have experience with container orchestration at scale
Have excellent communication skills and enjoy supporting internal partners
Care deeply about reliability and building systems that "never fail the same way twice"
Experience with merge queues and branch management at scale
Experience with test infrastructure, including intelligent test selection and flake management
Experience building CLI tools and developer-facing services
GitHub API and automation experience