Hi, I'm Jörg Zeyn
Freelance software developer with more than ten years of experience — from customer portals with Dynamics CRM integration to planning systems and business applications for enterprise clients. Based in Lüneburg, Germany.
Web portal where end customers apply for a grid connection or a PV system. Orders are processed in a Dynamics CRM customized to the business requirements. Automated Selenium UI tests keep manual testing to a minimum and ensure high coverage.
Further development and maintenance of a WinForms application for planning and creating maintenance manuals for the aviation industry, including export to common file formats based on an XML structure.
Replaced a legacy system with a service-oriented web application connected to a new ERP system. Based on planned and historical sales, it calculates day-by-day stock levels and the supplier orders needed to stay deliverable.