I built a backend that moves money between currencies. The product is deliberately small: two currencies (NGN and CAD), mocked FX and webhook providers, and a handful of endpoints. The point was the layer underneath, where payment software fails: rounding errors, balances that drift from their history, retries that double-send, and customers who... Weiterlesen: Six decisions behind a cross-border transfer engine
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Six decisions behind a cross-border transfer engine
I built a backend that moves money between currencies. The product is deliberately small: two currencies (NGN and CAD), mocked FX and webhook providers, and a…
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