Welcome visitor, my name is Thorsten. I am a Java developer living in northern Germany near the city of Hamburg.

About me

Born near the Danish border I studied in Kiel and gained my first work experience there. My next stop was Hamburg where I have been working for various companies and met my loved wife. Now we settled down with three beautiful children in the commuter belt of Hamburg.

Key Skills

Since 2004 I am working as a software developer. I have been working in various companies and projects getting in touch with plenty of frameworks and technology stacks. Below you can find a brief list of my skills.

  • More than 18 years in software development
  • Experience with various database management systems (PostgreSQL, Oracle, Sybase)
  • Experience with various OR-Mappers (EclipseLink and Hibernate)
  • Experience with interface development using JMS/Message-Driven Beans
  • Software testing with JUnit, Mockito, Arquillian
  • Experience with various version control systems (SVN, Git, ClearCase)
  • Familiar with various development environments (Eclipse, Netbeans)
  • Troubleshoot and Debug Issues
  • Experience working with Linux/Unix
  • Team-minded
  • Good at face-to-face and non-verbal/written communication

Professional experience

  • 02/2019 - now | Software Developer - red6 Enterprise Software GmbH, Hamburg
    Maintenance and enhancement of a Java EE6 based client-server application with an Angular JS front end and a JBoss6 server using an Oracle database. Extraction of application parts now running in a kubernetes cluster. Export extracting product information from msg.PM into the data warehouse. 2 years part time scrum master. Introduction and implementation of virtual open space sessions.
  • 09/2014 - 01/2019 | Software Developer - IBB Institut für Berufliche Bildung AG, Buxtehude
    Maintenance and enhancement of a Java SE based client-server application with a Swing front end and a C++ based server using a PostgreSQL database. From scratch development of a JavaEE RESTful service based on WildFly 10 and Hibernate using a PostgreSQL database.
  • 07/2010 - 08/2014 | Software Developer - Hamburg Südamerikanische Dampfschifffahrts-Gesellschaft, Hamburg
    Maintenance and enhancement of a Java EE based client-server application using JSF (ICEfaces) on GlassFish and EclipseLink using an Oracle database. The original project was based on OC4J and was moved to GlassFish afterwards. Rewrite of complete software modules including interfaces to external systems communicating via TIBCO EMS.
  • 01/2008 - 06/2010 | Software Developer - Circle Unlimited AG, Hamburg
    Maintenance and enhancement of an SAP application realized with ABAP-Objects. Development of a Java SE client-server application based on Spring, SpringMVC and Hibnernate using a PostgreSQL database.
  • 05/2005 - 12/2007 | Software Developer - Anybet GmbH, Hamburg
    Maintenance and enhancement of a Java SE based client-server application using the WebObjects web framework based on an Oracle database.
  • 03/2004 - 04/2005 | Software Developer - ppi Media GmbH, Kiel
    Design of a Java based tool to manage the dependencies of software packages to be shipped using a Apache Tapestry based web front end and a Sybase database.

Contact

Contact me via Email: info@thorsten-klaus.de


Legal Notice

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Thorsten Klaus

Lindenweg 1b
21640 Horneburg
Germany