SSsumit Sharmainnodejs-architecture.hashnode.dev·Dec 2, 2025 · 6 min readMastering the Node.js Event Loop: Async, Non-Blocking, and How Node Handles Thousands of RequestsIf you've ever worked with Node.js, you’ve probably heard words like: Event loop Async programming Callbacks Promises Non-blocking I/O But what do these actually mean? More importantly… 👉 How does Node.js handle so many requests with just one...00
SSsumit Sharmainunderstanding-prototypes-in-javascript.hashnode.dev·Nov 28, 2025 · 3 min readUnderstanding Prototypes in JavaScript (With Simple Analogies & Examples)Introduction If you’re learning JavaScript, you’ve probably heard this scary word: prototype. Most developers struggle with it (especially coming from class-based languages like Java or C++). But the truth is: Prototypes are simple once you understa...00
SSsumit Sharmainrest-api-tutorial.hashnode.dev·Nov 27, 2025 · 4 min readClean Express.js Project Architecture: A Practical Guide for Real-World APIsDesigning a clean and scalable REST API with Express.js doesn’t have to be complicated. In this guide, we’ll build a simple but production-ready Users API, understand clean project structure, proper status codes, and visualize the flow using wirefram...00
SSsumit Sharmainscalablebackend.hashnode.dev·Sep 1, 2025 · 4 min readHow to Structure a Scalable Node.js BackendScalability is very important in backend development. It means the application should be able to handle more users or data smoothly. If you build your backend the wrong way, you may face slow performance, difficult maintenance, and security problems,...00
SSsumit Sharmainauthwithjwt.hashnode.dev·Aug 26, 2025 · 6 min readJWT Authentication and Authorization: Best Practices for Modern Web AppsJSON Web Token (JWT) JWT stands for JSON Web Token. It is a compact, URL-safe means of representing claims to be transferred between two parties. It is used to securely transmit information between parties in a JSON format. JWTs can be used to author...00
