Kunal Khan - BackendGuy

Hi, I'm Kunal.

A Backend Developer enjoying crafting logic behind the scenes.

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Latest Posts

4th May, 2025

How to Add Rate Limiting in Node.js REST API (Step-by-Step Guide)

Learn how to implement rate limiting in your Node.js REST API using Express and express-rate-limit. Prevent abuse, protect your server, and improve API security with this easy tutorial.

3rd May, 2025

REST API Best Practices: 5 Tips for Clean and Scalable API Design

REST API design doesn’t have to be messy. Discover 5 simple best practices to build clean, scalable, and developer-friendly REST APIs with real-world examples.

30th April, 2025

How To Create A Discord Bot Using NodeJs

Complete step by step guide to create a working Discord Bot using NodeJs in 2025.

30th April, 2025

5 Easy Ways to Secure Your Node.js Backend (With Examples)

Secure your Node.js backend with 5 simple tips, including validation, sanitization, and safe error handling.

30th March, 2025

5 One-Line Node.js Tricks Every Developer Should Know

Discover 5 powerful one-line Node.js tricks to simplify your coding. Learn how to create a quick server, remove duplicates, read files, and more with simple examples!

27th March, 2025

5 Reasons Why Your MySQL Database is Slow (and How to Fix It)

Is your MySQL database running slow? Learn 5 common reasons why MySQL performance drops and how to fix them with simple optimizations like indexing, caching, connection pooling, and better query practices. Boost your database speed today!

24th March, 2025

5 MySQL Functions That Make Data Handling Easy

Discover 5 powerful MySQL functions that simplify data handling. Learn how to merge text, format dates, handle NULL values, add conditions, and filter data efficiently with easy-to-follow examples.

21st March, 2025

5 Lesser-Known Node.js Features That Can Save You Time

Discover 5 lesser-known Node.js features that can save you time! Learn about path, AbortController, worker_threads, dns.promises, and timers/promises with simple examples. Boost your backend development today! πŸš€ #NodeJS #JavaScript

20th March, 2025

5 Handy Utility Functions in Node.js Every Developer Should Know

Discover 5 handy Node.js utility functions to improve your coding efficiency! Learn how to generate unique IDs, debounce API calls, deep clone objects, read files asynchronously, and convert callbacks to promises with simple examples.

19th March, 2025

How to Build a Simple API with Express.js

Learn how to build a simple REST API using Express.js in Node.js. This step-by-step guide covers setting up a server, creating routes, handling CRUD operations, and testing the API.

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