Sap Advanced Business Application Programming Developer

Role OverviewWe are seeking a highly experiencedABAP RAP Architectto design and implement backend services using theABAP RESTful Application Programming Model (RAP) . The role focuses on backend architecture and development for complex business applications, including migration from legacy Web Dynpro / FPM applications to RAP-based OData V4 services.The consultant will be responsible for end-to-end RAP service design, CDS modelling, behaviour implementation, and OData exposure, ensuring clean architecture, scalability, and maintainability.Required SkillsExpert-level RAP knowledge : managed / unmanaged scenarios, draft / non-draft.Advanced CDS modelling : root entities, projections, associations, value help, text handling.Strong Behavior Implementation : determinations, validations, actions, authorizations.Transient fields handling (input / output-only fields, not persisted in DB).OData V4 exposure : service definition, service binding, annotations.Integration with classic ABAP : calling BAPIs, FMs, PPF, user management.Experience migrating legacy applications (Web Dynpro / BOPF → RAP).Clean ABAP & RAP best practices, performance tuning.Strong debugging and problem-solving skills in ADT (Eclipse).UI / UX Fiori Elements / Freestyle Apps Exposure.Nice to HaveKnowledge of BOPF / FPM architecture (to support migration).Exposure to ABAP in the Cloud / Steampunk (BTP).Exposure on GTS E4H 2023Experience with unit testing in RAP.Requirement Overview : Existing Application is Built on Web Dynpro on ECC.With SAP GTS E4H web Dynpro is no longer supported, and this has to be Built as RAP Based Custom Fiori Application(s).