Languages and APIs
Java (J2SE, J2EE), Kotlin, Delphi 5, C#, PHP, Perl, COBOL, SQL
Angular / TypeScript, Javascript
OS
Windows, Ubuntu, HP Unix, FreeBSD, MVS/ESA
DBMS
Sybase ASE 15, MS SQL Server, MySQL, PostgreSQL 9,
DB/2, Oracle, MS Access
Application Servers
Apache Tomcat, IBM WebSphere 4, JBoss
IDE / CASE
Eclipse (inkl. IBM WSAD), IntelliJ / Android Studio, Visual Paradigm for UML, Visual
Studio
Frameworks, Libraries
Spring (incl. Spring Boot), Hibernate, jOOQ, Axis2, Angular (2-7), RxJs, jQuery, Bootstrap, Backbone, Android, J2EE, Jakarta Struts, Jakarta POI, Apache FOP, Microsoft .NET
Methodology
SCRUM, eXtreme Programming, RUP, V-Modell, UML, IEEE Std 829 (Testing)