- Software development and customization based on the OS / 400 operating system and the DB2 / 400 database
- Maintenance and further development of the merchandise management system
- Creation and maintenance of interfaces to external systems and to our ERP system
- Reporting using Query and SQL
- Software testing for quality assurance and documentation
- Training of employees
- 2nd / 3rd level support of the ERP system and interfaces to external Systems.