The project entailed various tasks, including acquiring and verifying financial instrument master data from Telekurs for both Lugano and Munich environments, parameterizing master data to facilitate TOL and STP module management, migrating securities positions to the new custodian, performing loading and unloading operations for positions managed by the STP module across all markets, entering securities trades, ensuring accurate accounting, providing support for daily trade management and associated accounting tasks, monitoring manually executed trades and those via STP, generating messaging for securities settlement and reconciliation using the "GTX" application, verifying and managing the customer block process within the customer area to allow position unloading and reloading, conducting GAP Analysis of specific programs for Corporate Action management in preparation for system migration, and manually creating analyses and designs for Corporate Action management.