1) Table development 2) Data Processing 3) Reportt developing 4) BAPIs /RFC s 5) Data base update 6) Screens development/enhancement 7) Scripts and smart forms. 8) Function Building 9) Java connectors etc.   SAP HR module contains below submodules ,  resource must have technical working knowledge on these modules ( mandatory )   Sub module of HR     Personnel Administration (PA)     Personnel Time Management (PT)     Payroll Accounting (PY)     Organizational Management (OM)     Personnel development (talent management)     Training and Event Management (PE)     Recruitment (PB)