Trusted Tech Solutions, Inc.

• Develop and maintain production-grade microservices using Java 17+ and Spring Boot • Implement and manage OAuth 2.0 flows, including: Authorization Code, Client Credentials, PKCE, Token Introspection, Refresh Token Rotation • Integrate SAML 2.0 Single Sign-On (SSO) with enterprise identity providers such as Okta, Azure AD, and Ping Identity • Build and manage distributed job scheduling systems using: Quartz Scheduler (clustered), Spring Batch, Spring Scheduler • Define and enforce API security policies, including: Token validation, Scope enforcement, Rate limiting, Audit logging • Ensure secure and scalable system architecture aligned with modern best practices