Field notes from the studio. Engineering, design systems, mobile, and process — written for practitioners.
Every additional 100ms of latency reduces conversion by up to 7%. We dissect the engineering decisions behind sub-second interfaces.
Stop maintaining Figma libraries that drift from production. The token is the truth.
Async-first engineering, written specs, and the courage to delete tickets. A field report from a 2-person studio.
Designing for the latest iPhone is malpractice. The real benchmark is a 3-year-old budget Android with 2G fallback.
What worked, what broke, and the patterns we abandoned after shipping 4 production apps.
That 'just open a modal' decision adds 14kb of focus-trap, scroll-lock, and a11y machinery. We did the math.