Ehsan Mahmoudi — Blockchain Consultant & Software Architect | Hire Remote

How Fanout Broadcasting Powers Millions of Concurrent WebSocket Connections I’ve been working on a chat platform that handles millions of concurrent public chat participants.

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.

I Built a Liquidity Sniper Bot for BNB Chain, and It Proved a Losing Game I built a crypto trading bot.

Building a Personal RAG Chatbot in a Few Days: Learning by Engineering Recently, I built a small personal Retrieval-Augmented Generation (RAG) chatbot.

This post is a technical and personal record of almost three years at Socious.