Senior Software Engineer, Continuous Integration

Position Overview

Anthropic's mission is to create reliable, interpretable, and steerable AI systems. We are a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. Anthropic is seeking talented and experienced Senior+ 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 and directly impacts the velocity and reliability of our research and product development.

Key Responsibilities

• 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

Required Qualifications

• Have 6+ 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"

Preferred Qualifications

• 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

Benefits & Perks

• Salary: $300,000-$405,000 USD
• Education: At least a Bachelor's degree in a related field or equivalent experience
• Location: Hybrid work policy with an expectation to be in-office at least 25% of the time
• Visa sponsorship available
• Competitive compensation and benefits, optional equity donation matching, generous vacation and parental leave, flexible working hours, and a collaborative office space