reverse-engineering custom ABAP developments (Z-code, user exits, enhancements) independently to uncover underlying business logic and process dependencies. Technical Analysis & Reverse Engineering: Conduct technical deep dives into the existing SAP SD ATP and Backorder Processing (BOP) landscape, including custom ABAP programs, Z-tables, enhancements, user exits, and region-/plant-specific logic. Reverse engineer legacy custom solutions to uncover underlying business logic, data flows, program