— journal · Weekly
W24 · Interfaces as Contracts.
Renamed one field. Three downstream places broke at once. A week spent re-learning the word "contract".
141 words1 min
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— tech · Ai
Evaluation First, Then Everything Else.
Without an eval set, every change is a hunch. With one, iteration finally means something.
196 words1 min
— tech · Ai
Let the Model Do What It Is Good At.
Models are good at making vague things concrete. They are bad at guaranteeing that something happens. That boundary is where engineering lives.
199 words1 min
— engineering · Fde
Building a Feedback Loop on Site.
The point of being on site is that feedback is fast. Route it through three layers of email and you have thrown that away.
187 words1 min
— engineering · Fde
Don't Write Code in Week One.
The first week of a forward-deployed engagement belongs to observation: see the real workflow before you touch anything.
210 words1 min