Staff+ Software Engineer, Identity & Access Controls

The shape of it

In the posting’s own words

As Claude's capabilities grow, so does our responsibility to ensure those capabilities reach the right people. The Identity & 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.

What it asks for · 5

• A Bachelor's degree in Computer Science, Software Engineering, or comparable experience
• Experience building and operating backend systems in production
• Proficiency in Python and SQL
• Strong communication skills and ability to explain complex technical concepts to non-technical stakeholders
• Care about the societal impacts of AI and want your work to make powerful systems safer

Also a plus

• 8+ years of industry software engineering experience (not including internships and co-ops)
• Experience with identity, authentication, or authorization systems at scale
• Experience with KYC/KYB workflows or identity verification vendors
• Experience in trust and safety, integrity, fraud, or abuse detection
• Experience detecting and responding to account takeover or credential compromise
• Experience partnering with operational teams to build custom internal tooling

What the job covers

• Build identity verification and vetting systems (KYC/KYB) that establish who our individual and business customers are
• Design and implement access control systems that grant, scope, and revoke access to advanced capabilities based on approved use cases
• Build infrastructure to configure safety systems and detection thresholds on a per-customer basis for trusted access programs
• Develop monitoring to detect misuse of expanded access, and tooling that enables enforcement teams to act on it
• Detect and remediate account takeover
• Integrate with third-party identity verification and data enrichment vendors
• Create monitoring dashboards, alerts, and internal admin tooling
• Work closely with policy, enforcement, threat intelligence, and go-to-market teams to ensure access decisions are well-informed and consistently applied

Degree language

• A Bachelor's degree in Computer Science, Software Engineering, or comparable experience

Tools and skills named

Words the posting leans on

• access11×
• experience8×
• systems7×
• identity6×
• build5×
• capabilities5×
• tooling4×
• enforcement3×
• ensure3×
• identity verification3×
• monitoring3×
• access advanced2×
• access programs2×
• account takeover2×
• approved2×
• cases2×

Counted from the posting after the mission statement and the legal notices are set aside. The ones near the top are the ones a screener is looking for.

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