Field notes
What we learned building the last thing — architecture, delivery, and the decisions we'd make differently.
Engineering
We shipped eleven App Router projects before we stopped fighting React Server Components and started designing...
Engineering
Double-charged customers, jobs that vanish, workers that quietly leak memory, and a payment webhook stuck behi...
Business of Software
The licence fee is the number everyone negotiates and the smallest number in the project. Here is the full lin...
Cloud & DevOps
A $9,420/month AWS bill, reduced to $5,560 in six weeks. NAT Gateway charges, an idle RDS instance, 1.9 TB of...
AI & Data
The doc chatbot gets 12% adoption and hallucinates on the questions that matter. Meanwhile a boring invoice-ex...
Engineering
Version one had a retry queue and lost 4.7% of delivery proofs. Version two made the phone the source of truth...
Product
ONDC is a protocol, not a marketplace, and every call is fire-and-forget. This is the architecture, the Ed2551...
Business of Software
A fixed price is not a cheaper price — it is a price with a 20-35% risk premium and a change-request tax. A de...
Design
Six weeks after handoff, the CSS had 23 shades of grey and none of them matched the Figma. The fix was not mor...