Writing

Notes from building the thing.

Occasional, long-form, and drawn from systems that actually shipped. No cadence promised — a post appears when something is worth writing down.

24 August 20267 min read

One checkout cannot pay two parties

A payment architecture was designed, reviewed and scheduled before a paragraph in our own terms of service made it unbuildable. The constraint was legal, not technical — and the append-only ledger underneath it did not care.

Architecture
Payments
Compliance

19 August 202612 min read

Your workflow engine can't tell you what it's about to do

Temporal, Inngest, Trigger.dev and DBOS all survive a crash — by three different mechanisms, each charging a different tax. None of them can tell you what a workflow contains before it runs. A declarative DAG can, and that one property is the whole argument.

Architecture
TypeScript
Workflows

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