Emdadul Hasan Shishir .

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Notes, articles, and technical writing.

A separate place for posts, tutorials, and longer explanations about AI and product engineering.

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Latest articles

LLMRAGEngineering

Building Production RAG Systems That Actually Work

Most RAG tutorials stop at the happy path. Here's how I handle chunking, retrieval quality, and hallucination in real deployments.

December 20248 min read

Computer VisionEdge AIYOLOv8

YOLOv8 on Edge Hardware: A Practical Deployment Guide

Everything I learned deploying real-time computer vision to Jetson Nano devices for industrial quality control.

November 202412 min read

AIProductArchitecture

Why Most AI Chatbots Fail in Production (And How to Fix It)

The gap between a demo that impresses and a system users trust is mostly about failure modes. Here's my framework.

October 20246 min read