Project-Portfolio
This is a compilation of all the projects I’ve contributed to as a computer scientist. I bring over 25 years of experience in professional software development with Java. It has been a remarkable journey from the initial steps in Java to implementing Java-based µ-Services in a cloud environment.
10/2023 – Today: Transportation (Rails)
Modernization of a productive application to current software components. An existing internal application will be converted to modern and currently secure components as…
04/2022 – 10/2023: Department of Justice
Implementing the backend of a lawsuit management software. The German Department of Justice initiated the project and aims to implement nationwide software to…
07/2023 – Today: Learning the TALL-Stack (Advanced Training)
Creation of a model-driven approach for the TALL stack. Within the openSource project cgv19 a model driven approach for the TALL stack (TailwindCSS,…
07/2023 – Today: Prototype of a Symfony Application (Own Development)
Comparison of the cross-language concepts of Spring Boot and Symfony. In the context of further education and for training purposes, an application was…
06/2023: IT Service Industry
KeyCloak as SAML-Provider for a Spring-Boot Application. In preparation for a workshop, a Spring-Boot application was created with KeyCloak as the identity provider….
10/2014 – 02/2022: E-Commerce
Backend-Application for eBay-Dealers (Book market). The project creates and maintains a platform for eBay dealers. It simplifies the creation of new offers and…
06/2021 – 11/2021: Global Retailer
Implementing user stories on an international till. The project builds and maintains the till for a global retailer. The project was organized as…
07/2019 – 04/2021: Public Administration
Developing a platform for German Tax offices. The project builds a platform for the German tax investigation. It includes opening new investigations, following…
06/2018 – 06/2019: Insurance
Developing a migration strategy for a family of projects. A family of projects built with ant and running under J2EE containers must be…
01/2018 – 12/2018: Insurance
Introducing optical scans for vehicle registration. A scan of the vehicle registration form replaced the vehicle data acquisition. The user scans a QR…
07/2016 – 12/2017: Insurance
A REST-Full Angular architecture for insurance calculators. The project creates a new base technology for building insurance calculators with Angular 4 (TypeScript). Communication…
04/2014 – 12/2016: Insurance
Combined calculator for life insurance. The customer wanted a calculator for several products in the life insurance domain. The calculator must integrate several…
03/2006 – 07/2015: Insurance
Massive model-driven development of a claim settlement application. The customer needs a new application for claims settlement. The application must run in a…
03/2006 – 07/2009: Insurance
Further development of an external sales system for the business offices of an insurance company. The system includes all business transactions of an…
10/2006 – 08/2008: Building Society
Developing a new external sales platform for a building society. The system must operate on a central database while used on decentralized and…
01/2006 – 03/2006: Telecommunications
Developing a reporting system for external sales. External sales use the system to support the distribution of products. The project enhances the system…
09/2005 – 12/2005: Logistics
User Registration Creating a component for registration of new users based on a J2EE container (BEA-Weblogic). Details Create a concept for implementation Modeling…
05/2003 – 08/2005: Telecommunications
Quality assurance of a Single Sign-On-Solution in a hybrid environment. The customer was dissatisfied with the quality of the developed SSO-Solution. The goal…
01/2002 – 07/2005: Insurance
Sales system for the agencies of an insurance company. The system includes all business transactions required by an insurance company agency. The project…
01/2001 – 01/2002: Financial Services
Information system for internal communication. Using state-of-the-art internet technology to create a new communication platform. Details Analyze, design, and implementation of the base…
05/1997 – 07/2000: Banking
Development of a home banking software with this new language called Java. The project creates a new Home banking software for the bank’s…
05/1996 – 10/1997: Arms Company
Digital Processing Unit (DPU). Developing a DPU for a new RADAR-System for the Dutch Marine (APAR) in an international environment. The systems are…
01/1994 – 01/1996: Science and Education
Static load balancing on a massively parallel system. Examination and enhancement of a procedure for load balancing as a base for a new…
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