Notes on building hard things.
Occasional, practical writing from the engineers who do the work. Payments, agents, right-to-left, the decisions behind systems. Sample articles until the real ones are written.
- 01
Where agents need a human in the loop
Not everywhere, and not nowhere. A practical way to decide which steps a model can take alone.
AI - 02
Building right-to-left interfaces from day one
Mirroring a finished English product is the expensive way. Here is the cheap way, and the three things that never flip.
Product - 03
Decision records your successor will thank you for
One page per decision: the context, the options, the choice and what it costs. Nothing more.
Engineering - 04
The MVP foundations you will not throw away
Fast does not have to mean disposable. Four things worth doing properly in week one.
Product - 05
Store the ledger, not the balance
A balance is a cache. Treat it like one and reconciliation stops being a monthly panic.
Payments
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Occasional notes on building hard things. No spam.
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