SAP ECC / S/4HANA RAP Technical Developer

Job Title: SAP ECC / S/4HANA RAP Technical Developer Location: Washington D.C. 20433 (Hybrid, 4 days in a week) Type: Long-term Contract Only H4-EAD, L2-EAD, GC- EAD, GC and Citizens We are seeking an experienced SAP ECC / S/4HANA RAP Technical Developer (Level 3) for an onsite engagement (no remote work). This role is part of our finance ERP program and requires a senior developer who can deliver robust, upgrade-safe solutions aligned with SAP architecture and modern ABAP practices. Responsibilities: • WBG is undergoing a multi-year, multi-stage transformation from SAP ECC on-premises to SAP S/4HANA on-premise. The program involves a large volume of custom ABAP code built to support specialized business processes. • Transformation Stages • Adapt existing custom ABAP code for compatibility with S/4HANA simplified data structures and programming model. • Re-engineer code using clean-core principles and cloud-ready ABAP (strict ABAP) within S/4HANA. • Leverage frameworks such as RAP, CDS, and AMDP. • Selected components may shift to SAP BTP using side-by-side extensibility where architectural or scalability benefits exist. Minimum Qualifications • 15+ years of SAP ABAP development in ECC. • 7+ years of S/4HANA development experience. • Cloud experience. Technical Core Requirements • ABAP (ECC & S/4HANA) with RAP (ABAP RESTful Application Programming Model) experience for designing and building upgrade-safe services and UIs. • Proficiency with CDS views, OData, and performance-optimized data models. • Familiarity with Fiori/UI5 development and integration patterns. • BTP experience is a plus. • Ability to interpret functional requirements, perform fit–gap, and take end-to-end ownership from technical design through delivery.