Kunal Khan - BackendGuy

Hi, I'm Kunal.

A Backend Developer enjoying crafting logic behind the scenes.

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Latest Posts

15th May, 2025

How to Prevent SQL Injection: A Simple Guide for Developers

Learn how to prevent SQL injection with real code examples. Protect your web apps using prepared statements, input validation, and best practices.

12th May, 2025

CRUD Operations with MongoDB and Node.js: A Beginner's Guide

Learn how to perform Create, Read, Update, and Delete (CRUD) operations using MongoDB with Node.js in this simple, beginner-friendly step-by-step tutorial.

10th May, 2025

Understanding HTTP Status Codes with Real Examples for Beginners

Learn what HTTP status codes mean with real-life examples. This beginner-friendly guide explains common codes like 200, 404, and 500 in simple terms to help you debug your website or API faster.

9th May, 2025

Which API Should You Use? A Simple Guide to REST, GraphQL, WebSocket, gRPC & SOAP

REST, GraphQL, WebSocket, gRPC, and SOAP. Learn how they work, their pros and cons, and which one to use for your project in this beginner-friendly guide.

8th May, 2025

10 Practical AWS Lambda Projects You Can Build Today (With Real-World Use Cases)

Discover 10 real-world AWS Lambda project ideas you can actually build, from image resizing and APIs to Slack bots and daily reports. Perfect for beginners and developers learning serverless.

6th May, 2025

How to Use MySQL Table Partitioning for Large Datasets Efficiently

Learn how to use MySQL table partitioning to boost query speed and manage large datasets with ease.

6th May, 2025

Top 5 Must-Read Backend Development Books for 2025 (Free Download)

A list of 5 essential backend development books to help you master clean code, system design, SQL, and data modeling in 2025.

5th May, 2025

MySQL Stored Procedures vs Triggers - Key Differences, Examples & Use Cases

MySQL stored procedures and triggers with real examples. Learn when to use each, how they work, and best practices for efficient database logic.

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.

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