Umesh Prajapati

Java Backend Engineer with 1.5+ year of experience in designing, developing, and deploying scalable backend applications using Java, Spring Boot, and Microservices architecture. Experienced in RESTful API development, authentication and authorization systems, OAuth 2.0, OpenID Connect, Keycloak, and secure data handling. Strong foundation in Data Structures, Algorithms, System Design, and Agile software development.

Software Development Engineer (SDE 1) at Go Digit General Insurance (2024-07 – Present)

• Designed, developed, and published a Java Spring Boot–based AI automation agent that integrated with Dynatrace APIs to collect, analyze, and generate service performance and health reports, reducing manual operational effort by 90% and improving system observability and incident response efficiency.
• Developed an end-to-end authentication and authorization system using Java, Spring Boot, CAPTCHA, and OTP-based login, preventing automated bot attacks, reducing fraudulent login attempts by 50%, and improving application security and reliability.
• Implemented a hybrid AES and RSA encryption mechanism in Java for secure OTP generation, transmission, and validation, ensuring compliance with enterprise security standards and reducing sensitive data exposure risk by 90%.
• Designed and optimized Infinispan distributed caching for role-based OTP storage with strict TTL-based expiration, integrating caching with Spring Boot microservices to achieve 60% faster automation testing cycles and improved scalability under high authentication traffic.
• Contributed to organization-wide Single Sign-On (SSO) initiatives by integrating Keycloak, OAuth 2.0, and OpenID Connect (OIDC) with backend microservices, reducing authentication-related incidents and improving cross-team issue resolution efficiency by 35%.

Bachelor of Technology in Computer Science and Engineering – NATIONAL INSTITUTE OF TECHNOLOGY, JAMSHEDPUR (2020-12 – 2024-07)