The Problem Space
Understanding constraints before writing a single line of code — what SCT Inst actually demands, who the actors are, and why classical architectures fall short.
Engineering Journal
Writing.
Deep dives into SEPA Instant Payments, ISO 20022, Java 25 and the craft of building payments infrastructure at scale.
📚 Series
Building a High-Performance Instant Payment System
From the 10-second regulatory constraint to production incident response — this series walks through every layer of building an instant payment system that holds up under real load: architecture, performance, fraud, resilience, compliance, infrastructure, security and the human side of shipping it.
Read the series →