2022/2023: Building a sustainable architecture for an internal web-based tool with Angular, managing multiple development teams for a major German financial services provider as part of my work for Cofinpro AG, my employer.

2022: Planning and implementation of an internal tool for a major German player in the investment sector, for displaying processed streaming data with Vue.js, as part of my work for Cofinpro AG, my employer.

2003/2004: Conception and analysis of a university management system for the Bucerius Law School, Hamburg.
Reverse engineering of the existing system (database and frontend), ensuring a "smooth transition" from the old to the new system using an agile approach.

2004-2010: Development of PHP applications based on TYPO3, Zend Framework, Wordpress (using patterns - keywords "loose coupling" and "separation of concerns")

• Wordpress plugin for a web application for former Bisnode, now D&B Deutschland
• Continuous improvement of scripts and applications as part of maintaining various systems/applications for former Bisnode Informatics, now D&B Deutschland
  e.g. introducing standards for development and documentation. Clarifying the architecture
• Programming various extensions for the TYPO3 intranet of the Bucerius Law School, Hamburg as part of building an individual university management system
• Building a multi-tenant website based on TYPO3, development of required extensions as part of relaunching the websites of a nationwide healthcare provider
• Managing development teams (nearshoring) in a multi-project environment
• Development of web applications with PHP and Javascript (Zend Framework, jQuery, AngularJS, MithrilJS, ExpressJS)

2006: Planning and setup of the IT department of a nationwide sales organization for the HDI Gerling Group.
Conception and implementation of the entire server and application landscape.

Administration of various open source projects and websites

2002-2005: Various trainings on topics: Linux, shell programming, administration of various Linux services (Apache, Samba, Postfix ...) e.g. for Siemens Business Services in Hamburg & Münster, COM Hamburg, GfN.