• Design, build, and maintain authentication and identity services that power mission-critical platform access and authorization. • Integrate and extend Keycloak to support complex identity provider (IdP) integrations, single sign-on (SSO), and federated authentication. • Implement and evolve Attribute-Based Access Control (ABAC) frameworks to enable fine-grained, policy-driven authorization across systems. • Work across the stack — from APIs and access tokens to infrastructure automation, deployment, and observability of authentication workflows. • Diagnose and resolve reliability, latency, and scalability issues in production authentication and authorization flows. • Collaborate on architecture and long-term strategy for secure, resilient, and high-availability identity systems. • Implement and refine monitoring, auditing, and alerting for authentication and access events to ensure security visibility and compliance. • Balance security, user experience, and delivery velocity, ensuring pragmatic decisions that maintain both product agility and engineering quality.