Project details

Replacement of a mainframe-based core banking system by SAP DM

The mainframe-based legacy application is to be replaced by the standard software SAP DM due to the client's global core banking strategy. Supplier systems have to be connected via a common input architecture so that identical processes and business logic are applied to the data supplied. Besides transactional interfaces various master and reference data connections have to be established.


Three-month design phase including proof-of-concept DM. Iterative incremental approach with preceding detailed specifications followed by the customizing of the SAP System.

Responsibilities and achievements
  • Analysis of interfaces in the design phase
  • Creation of technical concepts for account statements and other types of correspondence, posting management, payment orders and locks (Posting Lock Management)
  • Definition of transaction types for payments and posting management
  • Analysis of interfaces to peripheral systems, connections to electronic output channels (SWIFT, EBICS)
  • Customizing the SAP system and functional developer support
  • Preparation of test cases and data
  • Supporting data migration
  • Coaching of internal employees
  • Preparation of user documentation, conducting training