Recent content on Ehsan Mahmoudi — Blockchain Consultant & Software Architect | Hire Remote
A Small Fintech Challenge, and Why I Let Postgres Hold the Money I picked up a small backend challenge recently: build a marketplace where guilds buy and auction items using in-game gold. Listings, auctions, bids, a price oracle, automatic settlement. On the surface it’s a CRUD app. The full source is on GitHub: github.com/jeyem/dragon-market . It isn’t. The moment money moves and two…
I Built a Liquidity Sniper Bot for BNB Chain, and It Proved a Losing Game I built a crypto trading bot. Not to get rich. I went in fairly sure that “easy money” bots are mostly a fantasy. I built it to find out for myself , with code, with real money, with data instead of opinions. And it gave me a clean answer. The bot works flawlessly. The market is the problem. The tokens that…
Building a Personal RAG Chatbot in a Few Days: Learning by Engineering Recently, I built a small personal Retrieval-Augmented Generation (RAG) chatbot. It was not a long research project. It was not something I spent weeks architecting. And it definitely was not built from years of prior AI engineering experience. It was a compact engineering exercise built over a few days, mostly through reading,…
This post is a technical and personal record of almost three years at Socious. I want to be clear about what it is and what it isn’t. It isn’t a complaint, and it isn’t a highlight reel. It’s an honest account of an experience that was genuinely good and genuinely hard at the same time — because that’s what most real working relationships are. There was no villain.…