🧠 System Design for SREs & DevOps: The Foundational Patterns You Must Master

Over the years, I’ve taken and given a lot of system design interviews — especially for SRE, DevOps, and Production Engineering roles.
After a while, I started noticing a pattern: the questions change, but the underlying architectures don’t.

Whether it’s designing a CI/CD system, a real-time fraud detector, a metrics aggregator, or a high-volume API gatew…