Jul 17, 2026 · Backend Development

Three Crucial Architecture Decisions for Building a Reliable Payment System

The article outlines three core architectural choices—channel isolation, a dedicated payment gateway, and robust callback handling with Redis and distributed locks—that together prevent a single payment channel failure from collapsing the entire payment platform.

Redischannel isolationidempotency

0 likes · 5 min read

Three Crucial Architecture Decisions for Building a Reliable Payment System

samdeepthink

May 18, 2026 · Backend Development

Why Each Payment Channel Needs Its Own Microservice: A Payment Center Design

The article analyzes the drawbacks of bundling multiple payment channels into a single service and presents a layered micro‑service architecture—splitting gateway, orchestration, channel, and storage layers—detailing the reasons for channel isolation, routing mechanisms, fee allocation, callback merging, data modeling, wallet accounting, and security considerations.

Securitycallback mergingchannel isolation

0 likes · 18 min read

Why Each Payment Channel Needs Its Own Microservice: A Payment Center Design