Staff+ Software Engineer, Auth & Identity

AI safety and research company building reliable, interpretable, and steerable AI systems, including the Claude product family and developer platform.

San Francisco, United States
About Anthropic

Anthropic PBC develops frontier AI systems and deploys them through Claude products and the Claude Platform, with a stated focus on safety, interpretability, and steerability.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will own critical identity and access systems from design through rollout, operations, and iteration. You will define technical direction for authentication, authorization, identity, and enterprise integrations; build resilient multi-region services; and lead migrations of high-traffic systems.

Requirements

  • 8+ years building and operating backend or platform systems at scale
  • Experience with identity, authentication, authorization, or security-adjacent infrastructure
  • Knowledge of OAuth 2.0, OIDC, SAML, SCIM, JWTs, token exchange, workload identity federation, policy engines, RBAC, or resource-level access control
  • Experience designing reliable and secure production systems
  • Experience owning large migrations in live high-traffic systems
  • Ability to make independent technical decisions and communicate with cross-functional stakeholders
  • Bachelor’s degree or equivalent education, training, or experience

Responsibilities

  • Own critical high-traffic identity and access systems end to end
  • Design credentials for agents and long-running autonomous workloads
  • Route access decisions through a unified authorization system
  • Build identity models for service accounts and agents
  • Design global distribution and multi-region failover
  • Deepen enterprise identity integrations and administrative controls
  • Set technical direction and lead system migrations

Benefits

  • Optional equity donation matching
  • Generous vacation
  • Parental leave
  • Flexible working hours
Staff+ Software Engineer, Auth & Identity at Anthropic | JobStash