Java/J2EE

Spring Framework (Spring Boot, Spring MVC, Spring Data)

Hibernate/JPA

RESTful Web Services

SOAP/XML

SQL and relational databases (MySQL, PostgreSQL, Oracle)

Apache Tomcat/JBoss/WebLogic

Maven/Gradle

JUnit and testing frameworks

Microservices architecture

Multithreading and concurrency

Design patterns

Git version control

Strong communication and interpersonal skills

Team collaboration and ability to work in cross-functional teams

Problem-solving and analytical thinking

Attention to detail and commitment to quality

Time management and ability to meet deadlines

Adaptability and willingness to learn new technologies

Leadership and mentoring capabilities

Documentation and knowledge sharing