Notes on building products.

Short technical posts on architecture, data modelling and performance.

• 18 Sept 20264 min read

  Event logs over integrations

  Why FlowDesk models every support channel as an append-only log, and what that bought us a year later.

  • Architecture
  • PostgreSQL

• 2 Jul 20265 min read

  A ledger is not a table of payments

  The double-entry model behind PixelPay, explained with the three bugs it made impossible.

  • Payments
  • Data modelling

• 11 Apr 20263 min read

  Fast by default in Next.js

  The small set of rules I follow so a Next.js app stays quick without a performance sprint.

  • Next.js
  • Performance