03/10/2026 updated

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SAP ABAP/BTP Developer & GenAI Engineer | AI Core · Kyma · LangGraph | C_AIG | FI-CO Specialist

San Sebastián de los Reyes, Spain
San Sebastián de los Reyes, Spain

Profile attachments

david_diaz_cv_sap_ai_architect.pdf

About me

29y SAP FI-CO engineer now building production AI systems on BTP · AI Core · Kyma · LangGraph · HANA Vector. Open-source PyPI contributor (stubborncoder). Owner of vdocs.ai. C_AIG certified. Rare profesional combo: domain depth + AI engineering.

FlutterInnovationSAP CloudJavaScript (Programming Language)SAP ABAPArtificial IntelligenceData AnalysisArchitectureC Sharp (Programming Language)Mobile Application DevelopmentCloud ComputingComputer ProgrammingData IntegrationData MigrationOnline BankingVim (Text Editor)Enterprise ArchitecturePython (Programming Language)LandscapingMarket ValueNode.JsObject-Oriented Software DevelopmentOpen Source TechnologyNext.jsSAP ApplicationsSAP Business SuiteSAP NetWeaver BISAP HANASAP ImplementationSAP MMTransact-SQLTypeScriptModelling SkillsChatbotsReactJSExpress.jsMulti-Agent SystemsSAP BTPSAP BusinessObjectsSAP SAPscriptVue.jsWeb TechnologiesNetwork Server
SAP Business AI Architecture
Certified SAP AI Core generative AI developer with comprehensive training in SAP Business AI and advanced agentic development, specializing in AI-powered intelligent enterprise solutions that bridge traditional SAP landscapes with cutting-edge AI capabilities

S/4HANA Transformation Leadership
28+ years of proven expertise in SAP implementations, leading enterprise-scale S/4HANA transformation projects across Greenfield and Bluefield scenarios for global organizations including Santander Group, Inditex, and Schneider Electric

Enterprise Architecture & Integration
Deep functional FI-CO expertise with hands-on technical proficiency in ABAP, OO development, SAP Workflow, and modern cloud technologies, architecting end-to-end SAP solutions and delivering measurable business value through technical innovation

Agentic AI Development
Multi-agent systems development using Claude Agent SDK, Pydantic AI Agents, LangGraph Agents, CrewAI Agents, and SmolAI Agents with practical experience building MCP servers and generative UI applications

Modern Programming Stack
Proficiency in Python, JavaScript, TypeScript, C#, T-SQL with expertise in web technologies including Node.js, Express.js, React.js, Next.js, Vue.js and mobile development using Flutter

Cloud & AI Platforms
Experience with SAP BTP, SAP Cloud Platform, Anthropic Claude platform, OpenAI Platform, and open source models including Llama, Gemma, and Qwen models

SAP Technical Architecture
Classical ABAP4, Object-Oriented ABAP, Screen Painter, Sapscript, Smart Forms, SAP Workflow modeling and runtime, Business Objects, SAP RPA, and Conversational AI

Data Integration & Analytics
SAP BW, DataSphere concepts, data migration and integration patterns, VIM integration, DMEE, PMW, SEPA, and electronic banking formats including PAIN and MT940

Languages

EnglishFluentSpanishNative speaker

Project history

SAP AI Core - Lead Architect | Auditor Hub

Madrid Council (Ayuntamiento de Madrid) (INETUM)
Lead Architect for the evolution of Agentic RAG pipeline for auditors in Madrid's council. Architect Kyma environment towards productive landscape with dev, staging and production. Provisioning HANA Vector Stores. Enhancing the agent pipeline with latest version of Langgraph and Docling for the document ingestion.

FI-CO Lead Consultant | S/4HANA Greenfield Implementation

Auxiliar Conservera (Digital Finance, S.L.)
Leading FI-CO functional architecture and implementation for Greenfield S/4HANA rollout to Belgian subsidiary. Designing end-to-end finance processes aligned with group standards and local regulatory requirements. Architecting integration scenarios between S/4HANA and existing ERP landscape. Ensuring best practices in S/4HANA Finance implementation and data migration strategy.

Team Leader / Senior Technology Consultant

Banco Santander (INETUM)
Led S/4HANA Bluefield transformation architecture for 145+ companies across Santander Group, ensuring enterprise-wide scalability and minimal business disruption. Architected comprehensive FI solutions with VIM integration, delivering end-to-end payment and document management automation. Designed and implemented SAP Workflow solutions for complex approval processes. Orchestrated initial data loads, master data migrations.

Senior Technology Consultant

Inditex (Mindsait)
Deployed SAP FI rollout template for Adriáticos II region (Serbia, Slovenia, Montenegro), standardizing processes while accommodating local compliance requirements.

Senior Technology Consultant

Schneider Electric (Amaris Consulting)
Architected global payment infrastructure for TRAX rollout, implementing F110 and PMW with DMEE interfaces across 15+ countries. Designed and developed standardized PAIN (outgoing) and MT940 (incoming) electronic banking formats.

Team Leader / Senior Technology Consultant

Banco Santander (INETUM/IECISA)
Led technical architecture and continuous innovation for Santander Group's S/4HANA Bluefield transformation across Europe, LATAM, and North America. Architected and maintained enterprise payment solutions ensuring regulatory compliance across jurisdictions. Designed comprehensive SAP Workflow framework for FI scenarios. Provided expert technical leadership for FI modules and FI-TV (Travel Management).

Senior ABAP OO Consultant

Servicaixa
Architected and developed custom group analysis cockpit for FI-PS using Object-Oriented ABAP, enabling multi-dimensional financial reporting. Delivered advanced analytics solution on time, enhancing executive decision-making capabilities.

Senior FI Consultant / ABAP OO Consultant

Tradebe
Provided technical architecture support and enhancements for SAP FI modules. Developed optimized custom reports using ABAP OO, improving reporting performance by 60%.

SAP FI Senior Consultant

Panreac Quimica SAU
Led SAP FI rollout architecture for Italian subsidiary, ensuring full localization and compliance.

SAP FI Senior Consultant

Cosentino
Architected SAP FI rollout strategy for Cosentino Group subsidiaries across Europe, standardizing payment processes. Implemented PMW and DMEE for PAIN file formats across multiple countries, creating scalable payment infrastructure.

SAP BW Senior Consultant

BBVA
Led data architecture and functional design for BBVA's Acoge Data Warehouse project.

SAP FI Senior Consultant / Team Leader

El Corte Inglés
Architected support and enhancement strategy for SAP FI and FI-TV modules across El Corte Inglés subsidiaries. Maintained and enhanced SAP BW platforms for advanced business analytics. Designed complex payment solutions with custom formats (Pagares, Norma 19, SWIFT MT103, EBS).

SAP FI Senior Consultant / Team Leader

Informatica El Corte Inglés
Led technical architecture for Euro changeover project across IECISA, INVESTRONICA, and Portuguese subsidiaries. Architected and implemented FI-TV (Travel Management) modules and international rollouts.

SAP FI Junior Consultant

Prosap Consultores
Contributed to SAP FI module maintenance and enhancements for IECISA and INVESTRONICA.

Certificates

C_AIG - SAP AI Core - SAP Generative AI Developer

SAP

2025

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