ITPUB

Jun 27, 2018 · Backend Development

From Monolith to Microservices: Lessons from Three Generations of Payment Architecture

The article shares a senior engineer’s perspective on evolving payment system architectures—from a simple monolithic WAR package, through a duplicated “chimney” style, to a fully modular micro‑service platform—highlighting why each generation fits different business stages and how domain‑driven design supports rapid market growth.