Curriculum Vitæ

July 2019 - now

  • Freelance Developer
  • self-employed
  • Development of multiple web applications:
    • SAPUI5 applications running on SAP’s BTP cloud
    • Java services
    • Python services
  • Programming languages: JavaScript, Java, Python, Bash
  • Selected tools and technologies: Spring Boot, Django, Agile Software Development (Scrum/JIRA), Maven, Shell scripting, Git, Gitlab, PostgreSQL, SAP Cloud Platform, SAPUI5, SAP HANA

October 2019 - now

  • Expert Karat Interviewer
  • Karat (freelance, part-time)
  • Conducting technical interviews for companies
  • Technical interviews consist of knowledge questions in a particular subject area, project discussion, and coding exercises

October 2013 - September 2018

  • Developer
  • SAP Innovation Center Potsdam
  • Several projects:
    • Creation of a Virtual Data Model (VDM) for part of the RE-FX ERP module (Real Estate)
    • Development of a financial analytical application using XSJS (HANA server-side JavaScript) on the backend
    • Conversion of that application to Scala and HANA cloud platform
    • Involvement in several smaller project, e.g. performance benchmarking
  • Programming languages: JavaScript (HANA XSJS, node.js and browser), Java, Python, Scala, Bash
  • Tools and Technologies: SAP Cloud Platform, SAP HANA, SAPUI5/OpenUI5, Web Services, Git, JIRA, Eclipse, IntelliJ IDEA, Travis, Jenkins

May 2012 - July 2013

  • Scientific Assistant
  • Technical University of Denmark
  • Further development and maintenance of the existing software for controlling the experimental electrical power system SYSLAB
  • Administration of the 30+ SYSLAB servers
  • Programming languages: Java, Python, C/C++, Bash
  • Tools and Technologies: PostgreSQL, Web Services, Mercurial, Eclipse, Continuous Integration, Gentoo Linux, Ubuntu Linux

September 2008 - April 2012

  • PhD
  • Technical University of Denmark
  • Area: Power Engineering/Computer Science
  • Title: Policy-based Communication for the Control of Power Systems
  • Evaluation of a new concept for control communication in power systems
  • Development of a Java library, several experiments and simulations
  • Further development of the SYSLAB platform
  • Programming languages: Java, Python, C/C++
  • Tools and Technologies: JADE, Rule systems (JBoss Drools), Mercurial, Eclipse, Gentoo Linux, Ubuntu Linux, IEC 61850, IEC 61970 (CIM)

November 2007 - July 2008

  • Senior Software Developer
  • Zakoa GmbH, Frankfurt/Germany
  • Project lead and development of several web applications using PHP and JavaScript
  • Responsible for the maintenance of a Java-based web application
  • Programming languages: Java, PHP, JavaScript
  • Tools and Technologies: MySQL, Zend Framework, Eclipse, Subversion, jQuery, Linux, Windows XP

January 2007 - October 2007

  • Sabbatical
  • Traveling in India, Europe, and California
  • Voluntary Work

September 2002 - December 2006

  • Software Developer
  • 5POINT AG, Darmstadt/Germany
  • Project lead, development and maintenance of several web applications in Java and Perl
  • Programming languages: Java, Perl, JavaScript, C
  • Tools and Technologies: Tomcat, PostgreSQL, MySQL, Struts, Eclipse, Subversion, jQuery, Linux, Windows 2000

June 2001 – December 2001

  • Master Thesis in Computer Science
  • Fraunhofer CRCG institute in Providence, Rhode Island
  • Title: Intelligent Behavior Control and World Modeling for Virtual Humans in Virtual Environments

November 1998 - June 2001

  • Scientific assistant
  • Institute for Computer Graphics Research IGD, Technical University of Darmstadt, Germany
  • Development of a library and GUI application in C++ to access and configure 3D input devices
  • Programming language: C++
  • Tools and Technologies: OpenGL, Qt

September 1994 - April 2002

  • Master in Computer Science
  • Technical University of Darmstadt, Germany
  • Emphasis: Software Engineering, Databases, Embedded Systems, Cryptography, Computer networks