Core Java (OOPS, Collection Framework, Threads, Exception Handling)

J2EE (Servlets, JSPs, MVC frameworks)

Spring Boot

Spring MVC

Spring Framework (Dependency Injection, Inversion of Control, AOP, Bean Life Cycle, Connection Pooling)

Microservices Architecture

Hibernate ORM

SQL

PostgreSQL

Oracle

MySQL

RESTful Web Services

SOAP Web Services

JSON

XML

JUnit

Jasper Reports

iText

POI

Apache Tomcat

jQuery

HTML

JavaScript

CSS

Angular (Optional)

Linux

Code optimization and performance tuning

Attention to detail and adherence to coding standards

Problem-solving and analytical thinking

Team collaboration and communication

Ability to follow best practices and design patterns

Self-motivated and proactive approach to learning