Writing
A small index of working notes on software testing, judgement, building, and shipping work I can stand behind.
I tried to prove my tax calculator was right. I mostly proved it agreed with itself.
PayeTax has more than three thousand tests. Trying to break the engine on purpose taught me how few of them could actually catch me being wrong.
Published.5 min read
AI demos reward speed. Shipping rewards judgement.
Why an impressive AI-assisted demo is not the same as software you can trust.
Published.8 min read