Software-Tools           

Microsoft Visual Studio, Eclipse IDE, Idea Intellij, Jenkins, SonarQube, Subversion (SVN), XCode, Apache Maven, Git, Corel Draw, Atlassian Jira, Atlassian Confluence

IT-Architekturen        

Distributed Systems, Client-Server, Back-End Technologies (General), IT-Security, Front-End Technologies (General)

Programmierung, Markup, Libraries, API    

Extensible Markup Language (XML), C, Assembler, C#, C++, Hypertext Markup Language (HTML), Hypertext Preprocessor (PHP), Java, Java Database Connectivity (JDBC), Java Enterprise Edition (JEE / J2EE), Java Server Pages (JSP), JavaScript, Procedural Language Structured Query Language (PL-SQL), Structured Query Language (SQL)

Programmiersprachen 

Assembler, C, C#, C++, HTML, Java, JavaScript, PHP, PL-SQL, SQL, Python

Datenbanken  

MariaDB, MongoDB, MySQL, Oracle, Ingres Ingres

Standards & Frameworks       

C++ Standard Template Library, Java Enterprise Edition (JEE), JUnit, Microsoft .NET Framework, Security Standards & Frameworks, Spring, XML

IT-Produkte   

Apache HTTP Server, Application Server (General), Apache Tomcat, Red Hat JBoss

Betriebssysteme          

Android, Apple OSX, Linux, MAC OS X, Microsoft Windows

Netzwerke      

Transport Control Protocoll/Internet Protocol (TCP/IP)

Hardware       

 PC Hardware, Mobile Device Hardware, Notebook Hardware, Storage & Backup Hardware, Server Hardware