Proven expertise in modern security protocols and authentication frameworks, including OAuth 2.0, SAML, OpenID Connect, and JSON Web Tokens (JWT), with hands-on experience implementing secure and scalable identity and access management solutions across distributed systems. Proven expertise in modern security protocols and authentication frameworks, including OAuth 2.0, SAML, OpenID Connect, and JSON Web Tokens (JWT), with hands‑on experience implementing secure and scalable identity and access management solutions across distributed systems.