Software Engineer, Identity (IAM)

TL;DR

Software Engineer, Identity (IAM): Designing and implementing secure authentication and authorization infrastructure for AI platform systems with an accent on scalable identity governance and compliance. Focus on building Zanzibar-based ReBAC models, managing federated identity solutions, and ensuring secure access across enterprise-scale distributed systems.

Location: Must be based in the United States

Company

Scale AI develops reliable AI systems, providing high-quality data and full-stack technologies that power the world's leading LLMs for enterprises and governments.

What you will do

• Drive the design and implementation of identity infrastructure to ensure secure authentication and authorization across enterprise systems.
• Manage authentication mechanisms including Single Sign-On (SSO), Multi-Factor Authentication (MFA), and federated identity solutions (SAML, OAuth, OpenID Connect).
• Implement and manage authorization mechanisms such as Relation-based (ReBAC), Attribute-based (ABAC), and Role-based access control (RBAC).
• Work with auditors and security teams to enforce identity governance and ensure compliance with NIST, SOC2, and ISO 27001.
• Provide technical guidance and best practices on identity management to internal teams and stakeholders.

Requirements

• 4+ years of full-time engineering experience with a focus on infrastructure and identity systems.
• Expertise in IAM controls and Infrastructure as Code (Terraform, Pulumi).
• Hands-on experience with authorization frameworks such as OpenFGA, Authzed, Cedar, or Topaz.
• Strong understanding of Zanzibar-based ReBAC models and relationship tuples.
• Deep knowledge of authentication standards: OAuth 2.0, OIDC, SAML, and JWT.
• Extensive experience with distributed systems and public cloud platforms, preferably AWS.

Nice to have

• Experience securing API access and implementing application-level access control.
• Experience with multi-cloud infrastructure (Azure, GCP).
• Proficiency in integrating IAM solutions with Java, Python, Node, or .NET.

Culture & Benefits

• Comprehensive health, dental, and vision coverage.
• Retirement benefits and learning and development stipend.
• Equity compensation grants based on role and performance.
• Generous PTO and potential for a commuter stipend.
• Inclusive and equal opportunity workplace focusing on high-impact AI development.