When Redis Turns Into the Hulk
How calm caching turns chaotic — and how teams design guardrails around Redis’s power.
Engineering Leadership, Payment Systems, and Systems Architecture
Build Tales explores the real-world challenges of building fintech platforms, scaling engineering teams, and architecting resilient systems. From ACH payment rails to distributed systems patterns, these articles combine technical depth with practical leadership insights.
Topics include: U.S. payment systems (ACH, wire transfers, card networks, RTP, FedNow), engineering leadership and team building, distributed systems architecture, compliance and regulatory requirements, and production reliability patterns.
Start here
Recent Articles
Preload Has Short-Term Memory. Redis Has a Nervous System.
How request-local optimization (preload) becomes system-wide coordination when Redis becomes infrastructure.
Handling Contested Returns
When returns come back as contested, your payment system needs to handle the chaos gracefully.
ACH Dishonored Returns: Interbank Operational Disputes and How to Handle Them
How to handle ACH dishonored returns (R61–R70): what they mean, why they occur, and how to design operational workflows that resolve interbank disputes without harming...