https://e-mahmoudi.me/tags/backend/Recent content in Backend on Ehsan Mahmoudi — Blockchain Consultant & Software Architect | Hire RemoteHugoen-usFri, 29 May 2026 00:00:00 +0000https://e-mahmoudi.me/blog/building-a-personal-rag-chatbot-in-a-few-days-learning-by-engineering/Fri, 29 May 2026 00:00:00 +0000https://e-mahmoudi.me/blog/building-a-personal-rag-chatbot-in-a-few-days-learning-by-engineering/<h1 id="building-a-personal-rag-chatbot-in-a-few-days-learning-by-engineering">Building a Personal RAG Chatbot in a Few Days: Learning by Engineering</h1> <p>Recently, I built a small personal Retrieval-Augmented Generation (RAG) chatbot.</p> <p>It was not a long research project.</p> <p>It was not something I spent weeks architecting.</p> <p>And it definitely was not built from years of prior AI engineering experience.</p> <p>It was a compact engineering exercise built over a few days, mostly through reading, experimenting, and applying engineering fundamentals to a domain I had not worked in before.</p>