Software Engineer, Sandboxing at anthropic
Company: anthropic
Location: San Francisco, CA | New York City, NY
Workplace: On-site
Seniority: Mid-level
Category: Engineering · software engineer
Compensation: ~£253k–£383k
Posted: 2026-10-01
Stack: rust, go, kubernetes, aws, gcp, ML
Role overview
Every time Claude runs code, uses a computer, or works as an agent, it does so inside a sandbox. Our Sandboxing team builds the isolation layer behind that work. The same systems run the code Claude writes for users, the environments we train and evaluate models in, and the agents our customers deploy. These workloads are untrusted by design, and there are a lot of them. Sandboxes need to start in milliseconds, hold up under adversarial code, and scale to a very large…