Deep expertise in ABAP on HANA, including CDS Views (annotations, associations, parameters, table functions, extensions), AMDPs, HANA-optimized code pushdown, performance tuning, RAP (managed/unmanaged, draft handling, business objects), and SAP Gateway/OData services (V2/V4). Strong hands-on experience developing custom Fiori applications utilizing SAPUI5, Fiori Elements, Flexible Programming Model, Fiori Launchpad configuration/deployment/authorizations, app extensions, Smart Templates, and Smart Controls.