Field notes

Insights

What we learned building the last thing — architecture, delivery, and the decisions we'd make differently.

Cloud & DevOps

We cut a client's AWS bill 41% without touching a feature

A $9,420/month AWS bill, reduced to $5,560 in six weeks. NAT Gateway charges, an idle RDS instance, 1.9 TB of...

Design

Your users are not on a MacBook on office wifi. They are on a 3 GB Android, at 400 kbps, in bright sunlight, w...

Business of Software

The licence fee is the number everyone negotiates and the smallest number in the project. Here is the full lin...

Engineering

Double-charged customers, jobs that vanish, workers that quietly leak memory, and a payment webhook stuck behi...

Engineering

We shipped eleven App Router projects before we stopped fighting React Server Components and started designing...

Stay close