What is NestJS and Why You Should Use It in 2026

What is NestJS and Why You Should Use It in 2026 Have you ever looked at a Node. js project and felt fully lost? You open the folder and see files scattered everywhere. There is no clear structure. One dev wrote code their way, and another did something totally different. This is a common pain point in software coding today. I have seen this happen on big projects for brands like IKEA and M&S. It makes scaling very hard. In 2026, we need better ways to build backends. You need a system that stays organized as it grows. That is where knowing what is nestjs becomes a lifesaver. I have spent over seven years building enterprise systems. I have learned that a good framework saves you months of headaches. At my engineering blog , I focus on sharing these real-world lessons to help you build better software. I want to help you understand why this tool is so popular now. We will look at how it works and why it might be the right choice for your next big idea. By the end, you will see how what