Learn Backend, System Design & Ace Tech Interviews – Ajay KRP

Master DSA, Node.js, GraphQL, Cloud & Coding Interviews

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Build Your Own JavaScript Promise from Scratch

Learn how JavaScript Promises work under the hood by building your own from scratch. This step-by-step guide breaks down promise states, chaining, error handling, and more.

April 3, 2025, 4:11 p.m.

JavaScript Promise

Namespaces in TypeScript

Understand Namespaces in TypeScript with detailed examples, best practices, and comparisons with ES6 modules. Learn when to use them and how they help organize large projects efficiently.

March 26, 2025, 8:42 p.m.

TypeScript Namespace

Understanding Interfaces in Go: A Beginner-Friendly Guide

Learn how to use interfaces in Go to write flexible and reusable code. This guide covers the basics, advanced scenarios, and practical examples, including empty interfaces, embedding, type assertions, and dependency injection.

Jan. 19, 2025, 12:10 p.m.

Go Interface

Redis: Deep Dive into Data Structures and Real-Time Messaging

Redis is an open-source, in-memory data structure store used as a database, cache, and message broker. It offers high performance, flexibility, and a wide range of data structures. This guide provides an in-depth look into Redis commands, data structures.

Dec. 29, 2024, 11:48 a.m.

Redis TypeScript NodeJS

API Gateway Design Pattern in Microservice

Unlock the API Gateway pattern for streamlined microservices, mastering authentication and resilience with BFF Design Pattern. Dive into optimal system performance and security in this brief blog.

Jan. 29, 2024, 6:57 p.m.

Microservices Modern Architecture Monolithic Architecture API Gateway Pattern BFF Pattern

Unveiling the Power of GraphQL: A Comprehensive Guide

Unlock GraphQL's potential in API development with our guide. Master data fetching, optimize client-server communication, and implement best practices for effective, real-time applications.

Jan. 19, 2024, 8:34 p.m.

GraphQL NodeJS Apollo Server TODO APP

👨‍💻 About Ajay KRP

I'm Ajay KRP, a Software Engineer with 6+ years of experience in Backend Development, Microservices, System Design, and Cloud Engineering. I specialize in JavaScript, Node.js, TypeScript, GraphQL, Docker, Kubernetes, and cloud platforms like AWS and Azure. This platform is a blend of my passion for coding, tech blogging, and helping others crack technical interviews.