Informatik, Stored Procedures, XML, ASP.NET, Microsoft SQL Server, Anwendungsentwicklung, Releasewechsel, C++, IT, Windows Presentation Foundation, Datenbanken, Entity Framework, T-SQL, C#, .NET ISG Sanitär-Handelsgesellschaft is an association of medium-sized wholesalers in the sanitary/heating/air conditioning sector. In addition to central purchasing, its tasks as a purchasing and marketing association include market positioning for its own brands concept and Optima, the provision of practical services and marketing measures, central settlement and professional IT support. We need reinforcement in the IT department at our location in Essen. Application developer (m/f/d) (full-time) Your area of responsibility: Redesigning and modernizing existing functions and programs in C#. Designing in-house, business software solutions, primarily in C# Continuous further development of existing applications Analysis of requirements from the specialist departments Implementation of projects and release changes Customization and creation of various stored procedures, functions and scripts in T-SQL Front-end and back-end development of existing and new websites for the ISG intranet Documentation and testing of the software created Familiarization with commercial central settlement processes with the aim of providing more than just technical support Your qualification: Completed studies in applied computer science, at best business informatics Several years of professional experience as a software developer Confident handling of C# and confident reading of Borland C++ Knowledge of .NET framework/core in WPF or WinForms, Entity Framework, ASP.NET, XML Knowledge of database systems, preferably MS SQL, script creation in SQL Independent and structured way of working and analytical thinking Strong commercial understanding Ability to work in a team and willingness to communicate Benefits: Development perspective Opportunities for further training Flexible working hours Air-conditioned offices Possibility of temporary home office Free parking lot Central location in Essen Shopping facilities, public transportation nearby Have we piqued your interest? Then please apply with the usual documents, stating your salary expectations, your earliest possible starting date and the reference number YF-8284 . ISG Sanitär-Handelsges. mbH & Co. KG Dietmar Moch Berthold-Beitz-Boulevard 461 45141 Essen Tel.: 0201/86225-0 applications[AT]isg-aktuell.de