I Built a Production RAG System from Scratch

Real-world lessons from building, deploying, and scaling a knowledge retrieval system

I’ve been writing on Substack for five months now. I started with 0 readers. Today, more than 1,300 of you hear what I have to say each week, and I couldn’t be more grateful. 🙏

The more I write, the more I find myself repeating the same answers in DMs or emails or LinkedIn messages:

“How did you break into data science without a PhD?”
”How can I learn AI…