Backend articles.

Node.js Beyond the Basics: How the Runtime Actually Works

Node.js is often described as “JavaScript on the server,” but that explanation hides the engineering decisions that make it powerful. Understanding the event loop, asynchronous I/O, libuv, streams, modules, workers, and process architecture gives developers the mental model needed to build Node.js systems that remain fast, reliable, and maintainable under real workloads.

12 min read