Notes & essays

Writing

What I've learned building signature infrastructure, real-time platforms and the products on top of them. Written for engineers and the founders who have to fund their decisions.

RSS feed →1essay · canonical here
Latestpostmortem · 7 min

A check that could not fail

My development CA went down and I didn't notice, because the thing I was using to check it was answering. The device answering was an air conditioner.

Read the essay
In this piece
Setup
The failure
Twenty minutes of work, spread over a day
Why the address was takeable at all

New essays, roughly monthly.

No newsletter — the feed is the whole subscription. If a piece here is relevant to something you're building, the fastest route is to just tell me about it.