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JavaScript Mastery

NestJS offers three key advantages over plain Express that make it attractive to large organizations: built-in TypeScript support without extra configuration, dependency injection for loosely coupled and testable code, and decorators that simplify routing and middleware wiring so code reads declaratively.

Why Big Companies Choose NestJS

<p>I don’t consider NestJS to be an outstanding framework.
First, for building high-concurrency web applications, Java and its ecosystem are already mature and feature-complete. NestJS is largely inspired by and imitates that ecosystem rather than introducing fundamentally new ideas.
Second, when it comes to microservices and high-performance web services, I find frameworks like Gin to be a better fit. They tend to be simpler, more lightweight, and more efficient for those use cases.
So, in my view, NestJS is a good choice for rapid development, prototyping, and validating ideas. But for large-scale, production-grade engineering projects, I would generally choose a different technology stack.</p>
