Insights

Technical perspectives on fintech development, regulatory compliance, and building systems that handle real money in production.
Reconciliation at Scale: Matching Algorithms Beyond Simple Reference Lookups
Reconciliation at Scale: Matching Algorithms Beyond Simple Reference Lookups
A post-mortem, of sorts. What we learned building a matching engine that had to handle thousands of...
Bank Statement Ingestion: The Unglamorous Core of Every Payment Platform
Bank Statement Ingestion: The Unglamorous Core of Every Payment Platform
Nobody gets excited about parsing bank files. But get it wrong, and nothing else in your system matt...
Timezone-Distributed Teams Building Payment Systems: What We've Learned
Timezone-Distributed Teams Building Payment Systems: What We've Learned
A deployment went out at 3 PM Cape Town time. The bug showed up at 6 PM. The developer who wrote the...
The Ops Team Knows More Than the BRD: Why Discovery Starts at the Desk, Not the Document
The Ops Team Knows More Than the BRD: Why Discovery Starts at the Desk, Not the Document
The business requirements document tells you what someone decided to write down. The operations team...
Why We Build Reconciliation Into the Architecture — Not Bolt It On Later
Why We Build Reconciliation Into the Architecture — Not Bolt It On Later
Here's how it usually goes. Sprint 1: build the payment engine. Sprint 2: add the merchant portal. S...
Multi-Currency Payment Flows: Architectural Patterns That Actually Work
Multi-Currency Payment Flows: Architectural Patterns That Actually Work
Currency conversion is easy. Knowing which rate applied to which transaction three weeks later — tha...