Vasanth K.

I help SaaS platforms and enterprise applications design and implement secure and scalable Single Sign-On (SSO) and authentication systems using SAML, OIDC, OAuth, LDAP, and Kerberos. ✔ 500+ SSO integrations delivered ✔ Enterprise-grade identity systems ✔ Expertise in Auth0, Azure AD, Keycloak, and custom IdP development If your authentication system is critical to your business, I can help design and implement it correctly. I design and build custom Identity Providers (IdPs) and full authentication systems tailored to complex business requirements. If you're facing issues with authentication, SSO setup, or identity provider integration — I can help you design and implement a reliable, production-ready solution. ━━━━━━━━━━━━━━━━━━━ 🎯 I Can Help You With • SAML / OIDC SSO integration • Fixing broken authentication flows • Azure AD / Auth0 / Keycloak setup • Custom Identity Provider (IdP) development • LDAP / Active Directory authentication • Kerberos / SPNEGO (Windows SSO) ━━━━━━━━━━━━━━━━━━━ 🔐 SSO & Identity Expertise • SAML 2.0 (SSO, SLO, metadata, assertions) • OpenID Connect (OIDC) & OAuth 2.0 • Custom Identity Provider (IdP) development • LDAP / Active Directory integration • Kerberos authentication & SPNEGO (Windows Integrated Auth) • Multi-tenant authentication systems • MFA implementation & secure login flows Identity Providers: Auth0, Azure AD, Okta, Keycloak, Shibboleth, ADFS, Google Workspace, OneLogin, WSO2, Apereo CAS, SimpleSAMLphp ━━━━━━━━━━━━━━━━━━━ ☁️ Cloud & Serverless (Supporting Expertise) • AWS Lambda, API Gateway, Firebase, Azure Functions • Scalable backend architecture & microservices • CI/CD pipelines and cloud automation ━━━━━━━━━━━━━━━━━━━ 💻 Application Development (Supporting SSO Integrations) • ASP.NET MVC / .NET • Laravel / PHP • WordPress / CMS platforms I build secure applications with seamless SSO and API integrations. ━━━━━━━━━━━━━━━━━━━ 📱 Mobile Authentication Integration • iOS (Swift) & Android (Kotlin) • Secure login flows (OAuth/OIDC) • Backend + authentication integration ━━━━━━━━━━━━━━━━━━━ 🖥️ DevOps & Infrastructure • AWS, Azure, DigitalOcean • Linux / Windows Server • Nginx, Apache, IIS • SSL, deployment, scaling, and performance optimization ━━━━━━━━━━━━━━━━━━━ 🌟 Why Work With Me • Deep expertise in SSO & authentication systems • Proven experience delivering 500+ SSO integrations across SaaS and enterprise environments • Quick turnaround for SSO integrations and authentication fixes • Ability to build custom IdPs and full authentication flows • Strong enterprise authentication knowledge (LDAP, Kerberos, AD) • End-to-end delivery — from architecture to deployment ━━━━━━━━━━━━━━━━━━━ 💬 Let’s Talk Need help with: • SAML / OIDC SSO integration • Custom Identity Provider (IdP) development • LDAP / Active Directory authentication • Kerberos / SPNEGO setup • Fixing authentication issues • Identity provider setup (Auth0, Azure AD, etc.) Let’s discuss your requirements — I can help you implement a clean and scalable solution.