Staff+ Software Engineer, Identity & Access Controls

<div class="content-intro"><h2><strong>About Anthropic</strong></h2> <p>Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.</p></div><h2><strong>About the role</strong></h2> <p>As Claude's capabilities grow, so does our responsibility to ensure those capabilities reach the right people. The Identity &amp; Access Controls team builds the systems that verify who our customers are, grant access to advanced model capabilities for approved use cases, and ensure that access is not misused. As a software engineer on this team, you will build the identity, vetting, and access management infrastructure that underpins our trusted access programs, along with the monitoring and enforcement tooling that keeps them safe. This work sits at the center of how Anthropic deploys frontier capabilities responsibly, balancing broad access with rigorous safeguards.</p> <h2><strong>Key responsibilities</strong></h2> <ul> <li>Build identity verification and vetting systems (KYC/KYB) that establish who our individual and business customers are</li> <li>Design and implement access control systems that grant, scope, and revoke access to advanced capabilities based on approved use cases</li> <li>Build infrastructure to configure safety systems and detection thresholds on a per-customer basis for trusted access programs</li> <li>Develop monitoring to detect misuse of expanded access, and tooling that enables enforcement teams to act on it</li> <li>Detect and remediate account takeover</li> <li>Integrate with third-party identity verification and data enrichment vendors</li> <li>Create monitoring dashboards, alerts, and internal admin tooling</li> <li>Work closely with policy, enforcement, threat intelligence, and go-to-market team