SAP is the world's largest enterprise application vendor. S/4HANA is the current-generation ERP: FI/CO for financial management, MM for materials/procurement, SD for sales/distribution, PP for production planning, WM for warehouse management. SAP BTP (Business Technology Platform) provides extensions, integration, and AI capabilities. SAP Fiori provides modern, role-based user experiences.
Enterprise SAP requires: deep module expertise (FI/CO, MM, SD, PP each require years of experience), migration planning (ECC to S/4HANA — system conversion vs new implementation), ABAP development for custom requirements, Fiori app development for modern UX, and BTP integration for extending S/4HANA.