ACH Reversals Aren't a Coding Problem. They're an Operations Problem
The hardest part of an ACH reversal isn't generating the file; it's coordinating the operational response once money moves incorrectly.
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.
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Recent Articles
Handling ACH Returns with Missing or Broken Data
Strategies for processing ACH returns when data is missing, truncated, or corrupted. Learn to handle the uncertainty gracefully.
When Redis Turns Into the Hulk
How calm caching turns chaotic — and how teams design guardrails around Redis’s power.
Preload Has Short-Term Memory. Redis Has a Nervous System.
How request-local optimization (preload) becomes system-wide coordination when Redis becomes infrastructure.