Sanjay Kumar

Java Backend Developer with 2+ years of experience building scalable microservices and high-performance RESTful APIs using Spring Boot and Java 8+. Experienced in designing secure backend systems with JWT authentication, optimizing database performance using JPA and MySQL/PostgreSQL, and deploying applications using Docker on AWS EC2. Strong understanding of system design fundamentals, multithreading, and distributed backend architectures.

Java Developer - Tricona IT Solutions - Bengaluru, India

(2024-05 - 2026-04)

• Designed and developed REST APIs using Spring Boot and Hibernate, improving response time by 30%.
• Designed and implemented microservices architecture with MySQL integration.
• Secured APIs using Spring Security with JWT-based authentication.
• Optimized SQL queries and improved system performance by 25%.
• Deployed applications using Docker and managed CI/CD pipelines.

Java Developer - S.K. Corporation - Pune, India

(2023-11 - 2024-04)

• Developed RESTful APIs using Spring Boot, reducing response time by 30% and improving service efficiency.
• Executed CRUD operations with MySQL and streamlined SQL queries for performance.
• Used Hibernate/JPA for database interaction and entity management.

B.Tech - Mechanical Engineering - Dr. Sudhir Chandra sur degree Engineering College – WBUT (2016 - 2020)