Unpacking AI Part Two: Data and Model Architecture

Everything a Senior Engineer Needs to Know About What's Inside an LLM

This was initially published on Path to Staff, but I’m bringing it here as I start to write more about learning AI. Welcome back to Path to Staff! This series is a little different from our usual programming. In this series, we’re covering LLMs and AI in-depth. As an engineer, I never really had the time to understand AI’s internals. But I’ve spent the past few weeks doing deep research to unpack it all. ...

June 20, 2026 · 27 min
Unpacking AI: The Hardware Behind AI

Unpacking AI: The Hardware Behind AI

This was initially published on Path to Staff, but I’m bringing it here as I start to write more about learning AI. Welcome back to Path to Staff. I recently left Meta for personal reasons (not laid off!), and have found much more time to write. This means learning as much as I can and distilling what I learn into these articles. Now back to the topic: As an engineer who never really interfaced much with AI, I realized I didn’t know much about it at all. Since I’ve more time now, I’ve spent the past few weeks diving really deep to understand AI from the bottom up. And I want to share those learnings with you today. ...

June 6, 2026 · 30 min