Rajesh Sirri

Retained by the client through an employer transition. Currently serving as the lead technical resource on a large-scale S/4HANA engagement, owning architectural decisions across RAP ABAP, BTP ABAP Cloud, and Fiori UI5 TypeScript delivery. Actively leverage AI-assisted development (Claude Code, GitHub Copilot) to accelerate delivery cycles and validate architecture decisions. Stack: RAP · BTP ABAP Cloud · Fiori Elements · UI5 TypeScript · CDS VDM · OData V2/V4 · SAP BAS · VS Code · GitHub

Delivering Clean Core-compliant solutions on S/4HANA Private Cloud — architecting side-by-side BTP extensions, CDS Analytical Models, and production Fiori UI5 TypeScript applications without touching the S/4 core. Architected a BTP ABAP Cloud PR application using Unmanaged RAP over BAPI and RAP Business Events — deliberately built side-by-side to achieve zero S/4 core footprint, deployed via SAP Work Zone Built ORS Financial Dashboard with Fiori Elements, replacing legacy FM-based retrieval with a parameterized CDS View enabling HANA push-down Designed OData Service Explorer — custom Fiori UI5 TypeScript app deployed to production, source on GitHub Architecting ORS RAP Dashboard rebuild using CDS Analytical Models (DIMENSION → CUBE → QUERY), OData V4, and Fiori Elements ALP Implemented advanced Fiori Elements UI customizations via manifest-registered controller extensions — working around framework limitations without modifying standard code Built a secure SAP OData service consumed directly from Microsoft Excel — but the real work was the security architecture behind it. Worked with the security team to activate SAML on SAP, configure Microsoft Entra ID as the identity provider, and establish Principal Propagation so the authenticated Microsoft 365 user's identity flows seamlessly into SAP without any credential storage or service user workaround. A clean, zero-trust-aligned integration between the Microsoft and SAP ecosystems. Stack: RAP · BTP ABAP Cloud · CDS Analytical Models · OData V4 · Fiori Elements ALP · UI5 TypeScript · SAP Work Zone · GitHub · Clean Core

Supporting critical OTC processes for one of the world's most recognizable financial data platforms — where performance and accuracy are non-negotiable. Developed reusable OO ABAP classes to streamline OTC workflows, integrated SAP directly with Bloomberg Terminals via custom REST API development, and optimized OTC data management using CDS Views, Table Functions, and AMDP. Implemented and troubleshot workflow solutions across inquiry, quote, and customer processes. Stack: OO ABAP · CDS Views · Table Functions · AMDP · REST APIs · Workflow · OTC processes

S/4HANA implementation and code remediation for a global luxury brand — balancing new development with legacy cleanup under tight timelines. Delivered custom OO ABAP reports, customer data migration via Data Migration Cockpit, and SOAP/REST API integrations for customer service notification creation. Extended standard Fiori applications using Adaptation Projects (UI5 Flexibility) and custom XML fragments with BAdI-based backend extensions — and built freestyle SAPUI5 applications from scratch using MVC pattern, SAP BAS, and Fiori Tools. Stack: OO ABAP · CDS Views · AMDP · Fiori Elements · UI5 Freestyle · Adaptation Projects · BAdI · REST/SOAP APIs · SAP BAS

First US engagement — hit the ground running across Procurement, HR, Sales, and Production teams on a live S/4HANA support project. Delivered across a wide surface area in a short window — reusable OO ABAP classes, IDoc and REST API interfaces for PO processing, EWM RF and PPF custom solutions, FICO enhancements (BTEs, substitutions, validations), and Fiori Elements applications backed by CDS Views and OData V2 services. Handled SPAU/SPDD migration and cross-module integration simultaneously. Stack: OO ABAP · CDS VDM · OData V2 · Fiori Elements · EWM RF · IDocs · REST APIs · FICO Enhancements

Three years at PwC sharpened two things — technical depth and the ability to lead. Served as solution architect and technical lead across multiple S/4HANA implementations in India, owning everything from architecture decisions to team management, budgeting, and client discussions. Delivered across a wide module footprint — EWM, SD, MM, FI/CO, PP, PM, HR, PS, QM, ETM, TRM — with a strong focus on OO ABAP design, CDS Views, OData services, and Fiori Elements applications. Integrated SAP with banking systems, third-party platforms, and warehouse control systems using REST, SOAP, RFC, and IDoc interfaces. The PwC engagement also marked my first serious exposure to BTP — implementing Fiori applications using BAS and RAP-based development patterns that became the foundation for everything I do today. Stack: OO ABAP · CDS VDM · OData · Fiori Elements · RAP · EWM RF · REST/SOAP/IDoc · SAP BAS · BTP · PP · SD · MM · FI/CO · ETM · TRM

Specialist engagement focused on workflow, performance, and integration for a global automotive client (ZF Group). Built and administered a full invoice approval workflow (BUS2081 - MIRO) covering parking, clarification, GR request, release, and price block removal — along with a suite of supporting reports including workflow status dashboard, invoice accruals, deadline monitoring, and vendor spend analysis. Handled daily workflow administration and delivered API integrations across FI, MM, SD, PP, and PM modules. Stack: OO ABAP · Workflow · BUS2081 · REST/SOAP APIs · FI · MM · SD · PP · PM

Four client engagements across healthcare, pharma, retail, and automotive — building the cross-module breadth that defines my approach today. Delivered across KIMS (S/4HANA implementation — CDS Views, Smartforms, proxy integrations), Tenshi Life Sciences (Brownfield upgrade — OData services, Fiori apps, deprecated code replacement), Arvind Lifestyle Brands (GST implementation — Smartforms, OO ALV reports, OData/SOAP integrations), and Ashok Leyland (ECC support — DSMI report, vendor payment dashboard, MIGO enhancements). Stack: OO ABAP · CDS Views · OData · Fiori · SOAP/REST APIs · Smartforms · Module Pool · SD · MM · FI · PP · QM · WM

Where it all started — 5 years building the ABAP foundation across two long-term client engagements in manufacturing and distribution. Delivered custom OO ALV reports, BDC programs, RFC integrations, BADI and user exit enhancements, and a customer complaint management process for Coromandel International and EID Parry (Murugappa Group). Optimized slow-running reports, built claims management programs via Module Pool, and created Smartforms for TVS Infotech. Stack: ABAP · OO ABAP · BDC · RFC · BADIs · User Exits · Smartforms · Module Pool · SD · MM · FI