Develop and monitor interfaces (OData services, RFCs, IDocs, and enterprise services) connecting SAP TM/CSO to external systems, such as carrier portals, GPS tracking systems, and third-party logistics (3PL) providers. Design, build, and support the technical integration between Sales/Service Orders (CSO) and Transportation Management (TM) (e.g., Order/Delivery integration, freight unit building rules, and scheduling).