Spring, Spring Boot, Spring Security, Spring MVC, Gradle, Maven, Git, GitLab, GitHub, Docker, REST, Apache Camel, Apache Tomcat, Kafka, ActiveMQ, Confluense, JIRA, Junit, Mockito, JSP, Azure Portal, Azure Key Vault, Kubernets, JPA, JDBC, Log4j, JHipster, FlyWay, Hibernate, Postman, Eclipse IDE, IntelliJ IDEA, Android library, Android Studio, Django, Swing