Hello, I'm Udhayakumar

Software Engineer with 2 years 7 months of experience building scalable, event-driven microservices with Java, Spring Boot, and React. Delivered an auto-recharge system processing 100K+ transactions/week and an OTP service handling 40K+ requests/day. Led the migration of 100+ microservices from Java 11 to Java 21.

Skills

• Backend: Java, Spring Boot, Python, FastAPI, Spring Security, REST APIs, JWT, OAuth 2.0
• Frontend: JavaScript, TypeScript, React, Next.js, Tailwind CSS
• Data & Messaging: PostgreSQL, MySQL, MongoDB, JPA/Hibernate, Apache Kafka, Redis
• Cloud & DevOps: Docker, Kubernetes, AWS, Git, CI/CD
• Practices: OOP, Microservices, Test Automation, Multithreading, Distributed System