Business Analyst and Senior Java-Developer.

Senior developer at IHK-GfI. Responsable for a complex java-ee- and swing-basedlegacy invoicing-module, that is part of a large enterprise-ressource-planning-system,used by most german chambers of commerce. Managing external and internal webservice interfaces. Supporting the product management by transforming requirementsinto models and by defining tests. Moving the development process towards agility.Reduced the number of defects. Holding this increased quality level by the definition andimplementation of models, abstractions, interfaces and automated tests. Successfullymigrated to the new SEPA money transfer standard. Created common-frameworks. Introducing ZUGFeRD (electr. invoice format).

Successfully implemented a pivot-table with java serverfaces and a standardized output-interface for a securitization-engine. Implementingmany requirements using modern technologies, mostly java, but also .net. Workingwith an oracle database using stored proceedures, external tables, views and oo-mapper-tools.