Staff+ Software Engineer, Claude App Infrastructure (AI)

Location: San Francisco, CA; New York City, NY; or Seattle, WA. Hybrid attendance is required at least 25% of the time.

Annual salary: $320,000–$485,000 USD

Company

Anthropic builds reliable, interpretable, and steerable AI systems, including Claude, its flagship consumer product.

What you will do

• Design and build sandboxed compute environments for safe code execution, tool access, and interaction with external services.
• Build state management systems for long-running agent tasks, including checkpoints, recovery, and resumption after failures.
• Develop authentication and authorization frameworks that allow Claude to act securely on behalf of users.
• Create observability and debugging tools for understanding agent execution and improving system behavior.
• Partner with product and research teams to define and deliver new agentic capabilities.

Requirements

• Experience building distributed systems, infrastructure, or platform services at scale.
• Experience with cloud-native infrastructure on GCP, AWS, or Azure.
• Experience with containers, sandboxing, or secure execution environments such as gVisor, Firecracker, or V8 isolates.
• Proficiency in Python, Go, Rust, or a similar programming language.
• Strong focus on security, isolation, and systems that fail safely.
• Bachelor’s degree or equivalent education, training, or professional experience in a relevant field.

Nice to have

• Experience with multi-tenant execution platforms or serverless infrastructure.
• Background in security engineering, sandboxing, or isolation technologies.
• Familiarity with Temporal, Airflow, or Step Functions.
• Experience with state machines, checkpointing, or durable execution patterns.
• Low-level systems experience with Linux internals, eBPF, or container runtimes.

Culture & Benefits

• Collaborative environment focused on large-scale AI research and trustworthy AI.
• Flexible working hours and a collaborative office environment.
• Generous vacation and parental leave.
• Competitive compensation and benefits with optional equity donation matching.
• Visa sponsorship is available, with immigration-lawyer support, subject to role and candidate eligibility.