ABAP Objects, ABAP Programming Language, Acceptance Testing, Analysis Skills, Application Programming Interface (API), Billing, Debugging Skills, Finance, Government, Legal, Legal Reports, Localization, Maintain Compliance, Middleware, Object Oriented (OO), Production Support, Regulations, Regulatory Compliance, Regulatory Reports, Root Cause Analysis, SAP, SAP Administration, SAP NetWeaver Process Integration (SAP PI), Support Documentation, Tax Regulations, Tax Reporting, Technical Writing, Testing, Unit Test, Value-Added Tax (VAT), Web Services, XML (EXtensible Markup Language)