Idocs, Smart Forms, Sap Script, Soap, Edi, Abap, Fiori, REST, Dynpro, Enhancements, Reports, Object Oriented Programming, Badi, Web Services, Optimized Database programming, WebDynpro Applications, Ale, User-exits

Abap On Hana, Odata Services, Cds Views, Sap Pi, Sap Gateway, cpi, SAP Workflow solutions, ABAP RICEFW development, RESTful ABAP Programming Model, debugging and performance optimization, SAP BTP extensions, AMDP procedures