sekharguna.com
Building scalable systems
and SAP solutions.
I'm Guna Sekhar — I build production systems, ship SAP solutions, and write about what works along the way.
Writing
Articles and notes
View all writing →Short reads on software, system design, SAP, and the stuff that shows up in real builds.
Projects
Things I build
View all projects →Project notes, architecture experiments, and the systems behind the work.
Notes
Guided notes
View all notes →Practical walkthroughs for the way I build software, from architecture to SAP delivery.
SAP & ERP — The Complete Introduction
From ERP fundamentals and SAP history through RISE, GROW, and why BTP exists. The foundation note before anything else.
SAP BTP — Deep Dive
Global accounts, subaccounts, entitlements, runtime environments, and every major BTP capability — from first principles to production.
SAP Integration Suite — Complete Guide
PI/PO migration, CPI iFlows, API Management, Event Mesh, Integration Advisor, and Open Connectors. Everything from production experience.
AI on BTP
SAP AI Core, Generative AI Hub, HANA vector search, RAG pipelines, and MCP servers that connect SAP data to LLM agents.
Development on BTP
SAP CAP, Cloud Foundry deployment, BAS, ABAP Environment, SAP Build — the full developer toolkit for building on BTP.