Jul 7
When Real Technology Meets Bad Investment
When Real Technology Meets Bad Investment: AI, Railways, Chinese EVs, and the Next Infrastructure Cycle AI is usually discussed in two extreme ways. ...
11 min read
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
Apr 3
Layoffs Aren’t Random. Companies Just Can’t Measure Real Value
How performance systems break at scale—and why layoffs become blunt resets I kept seeing layoffs happen and something didn’t add up. Strong engine...
5 min read