Field notes
Writing from the team.
Opinionated notes on shipping software, hardening it, and keeping it fast.
Field notes
All posts Writing from the team.
- Security
Why we run pen-tests against our own production, weekly
Most teams ship a pen-test once a quarter and call it hardening. Here's the case for continuous, automated red-teaming, and the tooling that makes it cheap enough to justify.
- Performance
LCP under 1.5s on mid-range Android: a checklist that actually works
Lagos 4G is the real performance test. Here's the exact load-order, font-hosting, and image-pipeline choices we use to hit sub-1.5s LCP on a Redmi 9.
- Engineering
Building typed APIs that survive 3 years of product pivots
Contracts, codegen, and boring boundaries. How we design APIs that let product teams iterate without breaking every client.
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