Strong experience in entitlement management and fine-grained authorization using Auth0 FGA / OpenFGA, with solid understanding of RBAC, ABAC, and ReBAC models.<br /> Must be capable of designing authorization models, managing relationship tuples, and integrating FGA checks into backend APIs/applications using Java, Node.js, Python, .NET, or Go. Knowledge of IAM concepts such as roles, permissions, groups, least privilege, and multi-tenant access control is essential.<br />