10/30/2026 updated
partially available
info: Available evenings and weekends
SAP Technical Architect | S/4HANA Transformation | ABAP & RAP | Integration & B2B | SAP Business AI
Hyderabad, India
Only remote
Master of Computer Applications (MCA)About me
15+ years in SAP, from ABAP code to cross-system design. Led a 10-engineer ABAP workstream through an ECC-to-S/4HANA conversion. Strong in Vistex pricing, CRM/FSCM integration, CDS/AMDP/RAP, and Integration Suite/EDI. Certified SAP Generative AI Developer. Remote from India (IST).
SAP Integration SuiteSAP S/4HANASAP CloudSAP Sybase ASECRM WebClient UISAP Web DynproElectronic Data Interchange (EDI)SAP IDocSAP ERPSAP PowerDesignerSAP TRMSAP CATSSAP ABAPSAP APOSAP Applications
S/4HANA Transformation
ECC-to-S/4HANA brownfield conversion: custom-code remediation, impact analysis and technical design; led the ABAP workstream through go-live and post-go-live support.
ABAP & Modern Development
Classical and OO ABAP, CDS views, AMDP, RAP, OData V2/V4, SAP Gateway, BRFplus, BOPF and Adobe Forms; development, remediation and performance tuning with Clean Core principles.
Classic ABAP Toolkit
ALV reports, Smart Forms, SAPscript, module pool programming, BDC, user exits, BAdIs, enhancement framework, IDoc extensions, RFCs and ITS mobile RF screens.
SAP Integration & B2B
SAP Integration Suite, GHX EDI X12, AS2/MDN, IDoc, RFC/BAPI, CRM BDoc middleware, SOAP and REST APIs, and Salesforce integration via MuleSoft for manufacturing and medical-device businesses.
SAP Business AI & Generative AI
Certified SAP Generative AI Developer. Hands-on with AI Launchpad, Generative AI Hub, Joule Studio and prompt orchestration; built an SAP-connected MCP server that generates RAP business-object artifacts, and developing architecture-intelligence tooling on top of it.
SAP CRM & FSCM Credit Management
SAP CRM Field Work Orders and CRM-to-S/4HANA integration; FSCM credit management with enterprise services for creditworthiness checks and credit commitments.
Vistex Pricing & Revenue Accounting
Converted 20+ legacy Vistex pricing and rebate routines to Business Scripts, all in production: catalog and CAP pricing, discounts, price protection and exclusions (9,895 ineligible materials removed from catalog runs). Custom accrual posting replacing Vistex IP90. SAP Revenue Accounting and Reporting (RAR) posting diagnostics.
Production Support & Stabilization
Root-cause analysis across CRM, S/4HANA, integrations and finance during hypercare, e.g. resolving STO creation failures caused by serial-number mapping between CRM and S/4HANA.
Delivery Leadership
Led teams of up to 10 engineers: estimation, work allocation, code reviews, defect triage, release readiness, go-live and post-go-live support in onsite-offshore delivery.
SAP Business Processes
Order-to-Cash, Service-to-Cash, Procure and Inventory, Manufacturing and Quality, Project Delivery, Pricing and Revenue, and B2B Supply Chain across SD, MM, WM, PP, QM, PS and CRM.
Warehouse & Logistics Integration
Warehouse integration with a Kardex carousel (transfer-order IDocs, picklist splitting), transport integrations with C.H. Robinson and GEFCO, barcode labels and RFID ship-scan validation.
Experience
Professional experience10+ years
Freelancer since2026
Languages
EnglishFluentHindiGoodTeluguNative speaker
Project history
Leading the ABAP technical workstream for a global medical-device manufacturer's ECC-to-S/4HANA brownfield conversion (10 engineers at peak): custom-code remediation, technical design and code reviews, testing, defect resolution, go-live and ongoing production support.
- Ran cross-system impact analysis across SD, manufacturing, quality, logistics, CRM, Vistex and integrations.
- Implemented CRM-to-S/4HANA credit integration for the move from ECC Credit Management to SAP FSCM.
- Converted 20+ legacy Vistex pricing and rebate routines to Business Scripts, all in production; co-designed a custom accrual posting that replaced Vistex IP90.
- Resolved a critical STO creation failure for CRM Field Work Orders caused by serial-number mapping.
- Diagnosed SAP RAR posting errors back to the source sales and service processes.
- Changed and stabilized production SAP Cloud Integration iFlows for GHX EDI (850, 832, 856, 810) and integrated warehouse management with a Kardex carousel.
- Developed CDS views, AMDPs and OData/RFC backends for manufacturing Fiori apps and an iOS sales-rep ordering app; built and tested a RAP business object.
SAP technical delivery for John Deere's global Flex-AD application team across SD, MM, PP, PS and logistics.
- Led the Flex-AD technical team in the final two years across the China, Mexico and Augusta implementations and two further rollouts: work allocation, estimation, code reviews, defect triage and production release readiness.
- Developed S/4HANA migration reports for the Rosario plant, including an invoice-level cost breakdown (material, labor and gross margin) and automated shipment and stock-exception reporting.
- Built logistics integrations with C.H. Robinson (outbound load-building data, inbound shipment creation) and GEFCO load management, and automated delivery, shipment and goods issue at the engine factory.
- Delivered order-to-cash and procurement enhancements for the China and Mexico rollouts: inbound-IDoc sales order determination, invoice blocks, vendor material numbers on purchase orders and schedule-agreement comparison.
- Developed SAP Gateway OData services for SAP UI5 apps and output forms with material-variant tax conditions.
SAP technical delivery for Delicato's warehouse and shipping project, which brought production-to-shipment transactions into one screen and automated the delivery, picking and shipment process across WM and SD.
- Automated warehouse transfer-order splitting by full or partial pallet.
- Enhanced the standard process to determine picking storage locations, bin filling and staging doors according to business rules.
- Built a quality-inspection check program that decides whether inspection is required for deliveries, purchase orders and orders.
- Enhanced transactions to identify and process quality-inspection stock.