Principal Consultant & SAP BTP Architect

Kallol Chakraborty AI Enthusiast & SAP BTP Solutions

SAP Americas Hack2Build Winner 7x SAP Certified SAP CAP & Gen AI Kolkata, India

Principal Consultant & SAP BTP Architect with 11+ years architecting and shipping cloud-native enterprise systems at scale across Wipro, Capgemini, IBM, and TCS.

Flagship Impact

· STO360: Delivered zero-to-production SAP-certified Oil & Gas product on SAP BTP.
· SAP Hack2Build: Won 1st Place Americas with a RAP-based S/4HANA clean-core extension.

GenAI & Open Source

Fusing LLMs, HANA Vector Engine, Joule Agents, LangChain, LangGraph, LangSmith, CrewAI with SAP CAP, SAP RAP and Python on BTP, while engineering open-source AI tools like Chhanda AI.

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NEURAL CORE · SAP BTP

SAP BTP Neural Core · HANA Cloud · RAG · Gen AI

7x SAP CERTIFICATIONS

Officially Verified Credentials

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TOP TECHNICAL COMPETENCIES

Core Enterprise Stack

SPECIALIZATIONS

EXPERT ADVANCED WORKING

Generative AI & LLMs

LLM-powered enterprise automation, retrieval, on-device inference & agent skill engines

Gen AI Gemma 4 RAG Vector Search Joule / Gemini / ChatGPT Agent Skill Engines LangChain LangGraph LangSmith AI Code Review (Guardians)

SAP Ecosystem

Certified cloud-native extension and core integration specialist

ABAP / RAP SAP BTP SAP S/4HANA Clean Core SAP HCM CAP (Node.js) HANA Cloud Integration Suite ABAP Environment OData / CDS Views SAP Build SAP Fiori / UI5

Backend & Cloud-Native

Event-driven microservices, API security, and infrastructure as code

Python (FastAPI / Flask) Node.js (Express) Event Mesh / CloudEvents Microservices OAuth2 / OIDC / XSUAA Terraform (IaC)

Languages & Tooling

Engineering rigor: testing, static analysis, and source control

JavaScript Git / GitHub / Azure Repos CI/CD (GitHub Actions) Jest / Chai / pytest SonarQube / ATC

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Latest

FIORI Guardian

Production-grade skill engine for SAP Fiori design, development, and UX compliance review — distilled from the official SAP Design System into decision rules with dual entry paths: develop and severity-ranked review.

SAP Fiori SAPUI5 UX Design System

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Latest

Python Guardian

Enterprise-grade Python code review engine enforcing PEP 8 / Google Style, security, performance, and type-safety guardrails with a 11-suite automated evaluation harness.

Python PEP 8 Security Type Safety

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Latest

CAP Guardian

Production-grade SAP CAP (Node.js) AI skill engine following Anthropic standards — enforces 3 review gates, 11 red flags, 12 prohibitions, and per-rule evidence tracking via a 123-assertion evaluation engine.

SAP CAP Node.js CDS Security

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Latest

BookShop Multi-Buildpack

SAP BTP multi-buildpack BookShop application combining Node.js CAP OData V4 with a co-located Python ML process — live interactive endpoints, architecture specs, and downloadable source code.

SAP BTP CAP Node.js Python Buildpacks ML

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