Writing
Field notes from load-bearing work.
Everything here comes out of systems we actually run — the deploys, the costs, the guarantees that turned out to be narrower than we thought. Written for the people who have to maintain this stuff.
- Systems7 min read
Your kill switch is a hypothesis
Four times a guarantee I thought was structural turned out to be probabilistic — and the one question that would have caught all of them.
Read - Operations6 min read
Your deploy pipeline is not a backup
We audited our own repositories and found three of four had no off-machine copy — while shipping to production successfully every week.
Read - Operations5 min read
Push-to-deploy without the accidents
Connecting git to your host means a stray push reaches customers. Here's the gate we put in front of the site that takes payments.
Read - Web6 min read
What the parser sees
A résumé that looks perfect on screen can lose its entire education section when a machine reads it. The same is true of your website.
Read - AI5 min read
Cutting AI generation costs by a third without touching quality
The savings weren't in a cheaper model. They were in a parameter that was on by default and doing nothing we needed.
Read