System Design #1: What is System Design? Why Every Developer Needs It
You know how to write code. You can build features, fix bugs, and ship apps. But when someone asks you to design a system that handles millions of users, you freeze. This is what system design is about. It is the skill of building software systems that work at scale. And it is not just for senior engineers or job interviews. Every developer needs it. This is the first article in the System Design from Zero to Senior series. We will start from the basics and build up to designing real systems like URL shorteners, chat apps, and video streaming platforms. ...