Software Engineer, Build Systems/CI

Responsibilities

• Own and evolve Bazel-based build and test workflows across a large, polyglot monorepo
• Design and maintain Starlark rules, macros, toolchains, and integrations
• Improve CI performance and reliability across Buildkite pipelines
• Build systems to reduce unnecessary CI work through dependency graph analysis and test selection
• Improve local development workflows to enable easy reproduction of CI behavior
• Operate and optimize build infrastructure using Docker, Kubernetes, and cloud resources
• Instrument build and CI systems with metrics, logs, and traces
• Partner with product and research teams to remove systemic bottlenecks
• Use AI tools to rethink CI failure analysis and automated remediation

Requirements

• 5+ years of software engineering experience building infrastructure or developer tooling
• Hands-on experience with Bazel, Buck, Pants, Gradle, or similar build systems
• Experience building or operating CI systems at scale
• Ability to write production software for internal platforms
• Proficiency in debugging distributed build and CI failures
• Strong communication skills and ability to turn ambiguous problems into technical plans

About the Company

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity.