Writing

Notes on systems, LLMs, and the industry building them.

I'm Wenhao, a software engineer. I write up system design problems I've worked through, what I'm learning about LLMs, notes from shipping side projects like ResumeMatch, and the occasional take on layoffs and where the industry is heading.

22 postsSince 2025
Tagged1 post
Jul 27
Tuning Neural Networks

The essence of neural networks lies in progressively applying activation functions to linear transformations. Input → Hidden → Output (x) → (a...

3 min read