Coding
Clean Code XP Principles Gängige Entwurfsmuster TDD
Jakarta EE
JPA JTA JPQL CDI EJB JAX-RS JAX-WS JMS JAXB JAXP
Jakarta EE Web Tier
JSF Primefaces Bean Validation JSON Processing Servlet API JSTL EL WebSocket
DB / Geo
SQL MySQL Postgres ORM Hibernate PostGIS Geoserver OpenLayers
Spring
Spring Boot Spring Data Spring MVC Spring Batch
MicroProfile
EE Core Rest Client JWT Open API Health Quarkus
Build / CI / CD
Gradle Maven Jenkins Git Docker Kubernetes
Server
TomEE Wildfly JBoss Tomcat Jetty Apache HTTP nginx SSL mod_jk mod_proxy
Collaboration
JIRA Confluence Trello Bitbucket Gitlab Scrum Kanban Wasserfall
Apache
Commons Shiro Velocity Freemarker PDFBox POI Chemistry ActiveMQ
Web Frontend
HTML 5 CSS Sass JavasScript jQuery Ajax Angular