Notes
Writing
Field notes on payments, integrations, and the careful kind of backend work.
· 13 min read
DORA for a .NET payments backend: what an architect has to be able to answer
The EU's Digital Operational Resilience Act, translated article by article into the components of a money-movement system — with a reference implementation to point at.
· 5 min readIntegrating a payment provider is two signing problems, not one
A field guide to request signing and webhook verification — and the small mistakes that pass in the sandbox and fail in production.