INSIGHTS

Field notes from building software.

Engineering, AI, design, and the boring-but-important plumbing in between.

Jun 18, 2026
AI

RAG in production: what nobody tells you about evals

After shipping a dozen RAG systems, here's the eval setup we wish we'd started with on day one.

8 min read
Jun 04, 2026
Engineering

Why we moved our monorepo from Turborepo to a custom runner

The trade-offs of going custom for a 40-package monorepo with strict caching requirements.

12 min read
May 22, 2026
Design

Design tokens that survive contact with engineering

A pragmatic token taxonomy that maps cleanly to Tailwind, native, and email.

6 min read
May 09, 2026
Cloud

Cloudflare Workers vs. AWS Lambda in 2026

Cold starts, observability, pricing, and the workloads where each one wins.

10 min read