of professional software development experience focusing on enterprise Java backend applications. Deep proficiency in Core Java (Multithreading, Concurrency, Collections, JVM internals). Extensive hands-on experience with
Spring Boot, Spring MVC, Spring Data JPA, and Spring Security / OAuth2 / JWT . Experience with message brokers and event streaming (Apache Kafka, RabbitMQ). Robust SQL tuning and database design skills in RDBMS (PostgreSQL, MySQL) and NoSQL stores (MongoDB)