Java, Spring, Spring Boot, Spring Cloud, Spring AI, Spring Security, Quarkus, Kubernetes, Blockchain

Java-Architektur, Java-Technologien, Java-Enterprise Anwendungen, Java-Programmierung, Client-Server Architektur, DB-Architektur, SQL Tuning,  Spring / Spring Security / Spring Boot / Spring Cloud / Spring AI, Microservices, Docker, Netflix Eureka, Zuul Proxy, Cloud Foundry, SAP Cloud Foundry, Pivotal Cloud Foundry, LangChain4j, Quarkus, Kubernetes, Keycloak

Oracle Certified Professional Java SE8 Programmer, Sun Certified Enterprise Architect for Java Platform Enterprise Edition 5, Sun Certified Business Component Developer Enterprise Edition 5, Sun Certified Programmer for the Java 2 Platform, Standard Edition 5.0, Sun Certified Web Component Developer 1.4, Sun Certified Developer for Java Web Services, Sun Certified Mobile Application Developer for the Java Platform Micro Edition, Oracle Database SQL Certified Expert 11g, UML2, ITIL V3 Foundation, Business Information Management Foundation BiSL
 

• Betriebssysteme: Windows, Linux, Unix, Mac OS, Android
• Programmiersprachen: Java, SQL, PL/SQL, HTML, XML, JavaScript, ShellScript, UML
• Datenbanken: Oracle, MS SQL, PostgreSQL, MySQL, HSQLDB, Derby, IBM DB2, MongoDB
• Anwendungsserver :Tomcat, TomEE, JBoss EAP/Data Grid, Glassfish(Sun Java System Application Server), Oracle WebLogic, Oracle Application Server, WebSphere, Orion
• IDE: Eclipse, Rational Application Developer(RAD), Rational Software Architect(RSA),  Oracle JDeveloper, IntelliJ, Android Studio
• Versionsverwaltung: Git (SourceTree, Git Flow), CVS, SVN, Maven
• Sicherheit: Java Security, Java Cryptography, Spring Security, Blockchain
• Test: JUnit, TestNG, Mockito, PowerMock, Awaitility, Canoo WebTest, Selenium, Robotium
• Bug Tracker: Bugzilla, Mantis, JIRA, HP ALM, Spira
• Code-Analyse: SonarQube
• Vorgehensmodelle: Wasserfallmodell ,V-Modell XT, Extreme Programming, Scrum
• Frameworks: Struts, Spring, Quarkus, GWT, MVP4g, BIRT, MyFaces, Mojarra, OpenJPA, OpenEJB, Hibernate, JSF, Android, Wicket, EMF
• Tools: JMeter, Postman, SoapUI, Wireshark, JProfiler, VisualVM, Checkstyle, FindBugs, JRebel, Oracle VM
• Cloud: Clound Foundry, SAP Cloud Foundry, Pivotal Cloud Foundry, Kubernetes
• KI: Spring AI, LangChain4j, Ollama