Staff+ Software Engineer, Auth & Identity

Job summary

Responsibilities

The Auth & Identity team builds the authentication, authorization, and identity platform that underpins every Anthropic product: the API, Claude Code, Claude.ai, and our Enterprise offerings.

• Designing credentials for agents and long-running autonomous workloads.
• Routing every access decision through a unified authorization system, with low latency, security guarantees, and multi-region resilience.
• Building a first-class identity model for service accounts and agents, and linking those identities to other identity and auth systems.
• Global distribution and multi-region failover for some of the company’s most mission-critical services.
• Deepening enterprise integration: login policies and recovery methods, self-service allowlisting, and tighter integrations with providers.

Tech stack

• Go
• Python
• Rust
• TypeScript