About Me

Personal Stuff

I live together with my wife and our two daughters in the beautiful Odenwald in a small town located in the southern part of Hesse. I studied Business Information Technology at the University of Mannheim and graduated with a diploma (Diplom-Wirtschaftsinformatiker) in 2006. Since then I have been working as a consultant, trainer, and software engineer.

I love IT. That's why I also love writing Open Source software and learn about new and emerging technologies in my spare time. When I'm not engaged in IT-related things, I enjoy working in my garden, I love to go hiking, swimming, and running, and I like learning not only programming languages but also foreign languages. Currently, I am venturing into the world of music making with a digital audio workstation.

Work

I work as a trainer, consultant, developer, and project manager at Trivadis Germany in Mannheim. In my job as a software engineer in a consulting company, I have the opportunity to work in a wide range of different projects. Most of these projects are about building some sort of web application for the customer.

I also often work with legacy code from the customer where it is my task to either modernize the code base and make it maintainable or migrate the code to newer technologies.

These are the main technologies I'm working with most of the time:

  • Java, Kotlin, SQL and PL/SQL, JavaScript
  • Atlassian Tools: Jira, Confluence, Bamboo, Bitbucket
  • Atlassian SDK: I also write plugins for Jira and Confluence
  • IntelliJ, GitKraken
  • Maven, Gradle, Git
  • Jakarta EE, Spring, Spring Boot, GWT, JSF, Vaadin
  • JUnit 5, Mockito
  • Asciidoc

The following list provides an excerpt of the kinds of projects I worked with in the past.

  • Oracle SOA web services for a customer from the chemical industry. Technologies used: Oracle DB, PL/SQL, WebLogic AS, Java EE, C# and Microsoft Silverlight on the front end, Gradle
  • Modernize a legacy project: migrate from JBoss Seam to Jakarata EE, replace obsolete and partly manual Ant-based build process with a fully automated Maven build. Technologies used: Wildfly AS, PostgreSQL DB, Jakarta EE, Maven, JSF, Hibernate
  • Build a modern, responsive web shop for a customer from the process automation industry. Technologies used: GWT, OData RESTful APIs for integrating an SAP back end, Spring, Maven, Hibernate
  • Maintain and develop a number of custom Jira and Confluence plugins for various customers. Maintain and develop an own Confluence plugin sold on the Atlassian marketplace.
  • Refactor an internal application written with Java and JavaScript for a customer from the process automation industry. Remove a lot of custom code caused by the not-invented-here-syndrome. Replace manual build process with fully automated Maven build. Technologies used: Spring Boot, Maven
  • Build a web shop for a start-up company. Technologies used: JSF, JavaScript, Apache Solr
  • Reimplementation of an outdated job portal based on PHP. Technologies used: Groovy, Grails, Gradle, Spring, MySQL

Trainings

I run training courses on a wide range of topics. These courses either take place at the customer's site or in our local facilities in Mannheim.

I cover the following topics:

Curriculum Vitae

2011 - todaySenior consultant at Trivadis Germany (formerly Orientation in Objects GmbH)
2007 - 2011Software Engineer at Pepperl+Fuchs GmbH
2006Diploma in Business Information Technology (Master-level degree); University of Mannheim, Germany
2005Six-month internship at Volume Graphics GmbH
1998 - 2006Studies of Business Information Technology with an emphasis on Computer Science; University of Mannheim, Germany

Skills

Technologies I'm currently using

Programming, query, and markup languagesJavaKotlinGroovyJavaScriptBashPL/SQLSQLHTML/CSS
Frameworks and APIsSpring FrameworkJakarta EEJUnit 4, 5MockitoVaadinGWTJSFJSPHibernateQueryDSLLiquibaseJOOQJMXAtlassian SDK
SCMGitSubversion
Build toolsMavenGradleAnt
ConceptsOOA/OOD/OOPUMLDesign PatternsSoftware CraftsmanshipRefactoringRefactoring Legacy CodeTDDUnit Testing
SoftwareIntelliJAtlassian JiraAtlassian ConfluenceAtlassian BitbucketAtlassian BambooApache TomcatNagios/IcingaMySQLPostgreSQLOracle Database

Technologies I used to work with

I have used the following skills and technologies in past projects or have worked with them for some time in the past. Therefore, my knowledge of these technologies is no longer up-to-date.

Programming, query, and markup languagesPerlPascalC/C++C#Tcl/OTclPHPDocBookLatex
Frameworks and APIsGrailsOpenGLQtOSGiSilverlightSwing
SCMBazaarCVS
Build toolsMake
SoftwareEclipseVisual StudioOracle WebLogicJBoss AS

Spoken Languages

  • German - Native speaker
  • English - Highly proficient in spoken and written English
  • Swedish - Good working knowledge
  • French - Basic communication skills

Contact

How to get in touch with me:

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