[System Design] Banking Microservices Architecture: Event Sourcing, CQRS & Saga

<p>When you send money overseas to a friend or a family member you just tap and the money is sent, it feels instantaneous, but behind the scenes, a complex dance of microservices

<p>CQRS has been one of the most talked-about architectural patterns in modern backend systems. Over the last decade, its popularity has grown alongside microservices,

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<p>Rob Pike said in 2012: <em>"Concurrency is about dealing with lots of things at once. Parallelism is about doing lots of things at once."</em> Everyone nods at the conference.

<blockquote> <p><strong>One-liner:</strong> In microservices, you can't use a single database transaction across services — the Saga pattern breaks it into a sequence of local

<p>This is Part 3 of the <strong>Architecture of Chaos</strong> series. <a

<h1> From HTTP Chaos to Kafka: How We Fixed Inter-Service Communication in a NestJS Microservices Platform </h1> <blockquote> <p>A technical deep-dive into replacing synchronous