OAuth 2.0 and OpenID Connect (OIDC) authentication and authorization flows, including token exchange, session management, token validation, and secure token propagation. Develop and manage LDAP/LDIF configurations, schemas, directory searches, user provisioning, bulk imports, and modification activities. Configure and manage Envoy Proxy, Spring Cloud Gateway, or equivalent API gateway … enterprise CIAM solutions. Deep expertise in OAuth 2.0, OpenID Connect (OIDC), JWT, token exchange, JWKS, authorization code flows, and session management. Practical experience with LDAP, LDIF, directory services, schema design, filters, searches, and bulk directory operations. Experience configuring and managing Envoy Proxy, Spring Cloud Gateway, Kong, Apigee, or similar ...