Jun 2011 – present: BI Consultant at Dörffler + Partner GmbH
- Managed maintenance work of a legacy reporting system at a major client in the automotive sector; work included dealing with customer requirements and managing remote developers.
- Rebuild a data warehouse for one of the largest car-makers in the world, based on Microsoft SQL Server and Informatica to reflect a changed system landscape.
- Developed a data mining model for the prediction of residual values of used commercial vehicles using Statistica.
Jul 2010 – present: Lecturer at Steinbeis School of Management and Innovation
- Held a class in Information Systems Management including topics such as IT strategy and processes, e-commerce, data analytics, data warehousing, and business intelligence.
Jun 2009 – May 2011: Owner of DataRoxx
- Developed a data warehouse solution for a startup in the e-commerce sector. Solution was based on Open Source business intelligence tools such as Pentaho and PostgreSQL.
- Migrated change requests from a legacy Lotus Notes system to Microsoft Team Foundation Server for a client in the automotive sector.
- Development of custom controls for Microsoft Team Foundation Server.
Aug 2010 – Nov 2010: Senior BI Engineer at Capgemini
- Development of strategic management information systems (MIS).
- Maintenance of a strategic MIS for one of the largest car-makers in the world.
- Led a small team of BI engineers to develop a data warehouse to reconnoiter criminal acts for a customer in state security.
- Used Pentaho, SAP Business Objects, Oracle, SAP Xcelsius, SAP Crystal Reports, and SAP Web Intelligence.
Sep 2007 – Jun 2009: Research Assistant at Santa Clara University
- Research on a sophisticated neural network for regression and classification
- Build a central data warehouse for text processing and preparation
- Used academic tools such as RapidMiner (Yale) for text classification and other analysis tasks
- Mentored and taught fellow research assistants various techniques such as Support Vector Machines, text processing, and text classification
Jun 2006 – Jun 2009: Software Engineer at HYBRIMIN GmbH & Co. KG
- Introduced software engineering processes
- Built a web based solution for the agriculture industry in Germany
- Consulted business managers and developers
Aug 2001 – Jun 2006: Software Developer at HYBRIMIN Computer + Programme
- Run a project to redesign an expert system for the agriculture industry for optimizing feeds
- Migrated from Client/Server to Web services
- Migrated from Paradox database to Firebird SQL Server
- Improved installation setups of other software products for faster deployment (saved approximately 50 % of preparation time per deployment)
Aug 1998 – Jul 2001: Apprentice at HYBRIMIN Computer + Programme
- Migrated MS-DOS application to the Windows platform
- Full redesign in Delphi
- Major application of HYBRIMIN