Job Summary

• Develop and unit-test RFCs/APIs for pre-posting validation, posting simulation, Credit/Debit posting and status retrieval, with duplicate prevention and error handling (NI).
• Implement invoice validation and creation for template-driven, SO/DN-based, collective (CPM) and split-invoice scenarios, driven by the Twilight custom table per CT and STP (MI).
• Adapt RFC/API mapping for cancellation and reversal and return clear status and business errors (NI and MI).
• Build SAP output and dispatch logic (PDF and non-PDF, SLI email rules) and the endpoints used by the CMAT interface.
• Build extracts and CDS views for CN/DN and Care/Discount counts with reconciliation to SAP documents; build PRD status-cleanup programs with before and after capture.
• Handle BPP dumps and RFC exceptions, tune performance, support SIT and UAT, and maintain transports and SOX documentation.

Key Responsibilities

• 6+ years of ABAP: RFC/BAPI, OData and CDS, BAdIs and enhancements, ABAP Unit.
• SD billing and FI posting knowledge (billing documents, output determination, accounting postings).
• Performance tuning and runtime-error analysis.
• S/4HANA or ECC; integration with CPI or OIM-style middleware.
• Disciplined documentation and change control (SOX).

Skill Requirements

SAP ABAP

Other Requirements