Rahul kumar

@rahulkumar143

🚀 Full-Stack AI Developer | MERN Stack Developer | DevOps | Technical Blogger

Joined February 2025

About

I write about web development, software testing, backend engineering, AI, DevOps, and modern development practices. Passionate about building scalable applications and helping developers learn through practical, real-world examples. Always exploring better ways to write, test, and deploy software.

Available for

I’m available for internships ,full Time and freelance opportunities in full-stack web development, where I can apply my skills, learn, and contribute to exciting projects.

Rahul kumar's blogs

Full-Stack Insightsrahultech.hashnode.dev8 posts

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Recently published

RKRahul kumarrahultech.hashnode.devJun 13 · 6 min read

Full-Stack Testing Strategies for Modern Web Development

As software applications become more complex, full-stack testing has become an important part of development. Since developers work on both the front-end and back-end of applications, it is essential

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RKRahul kumarrahultech.hashnode.devMay 28 · 4 min read

Communication Techniques

In modern web applications, real-time communication plays a major role in delivering fast and interactive user experiences. Communication techniques define how clients and servers exchange data over t

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RKRahul kumarrahultech.hashnode.devJan 17 · 4 min read

Understanding DevOps from Scratch

What is DevOps? DevOps is a modern software development approach that brings Development (Dev) and Operations (Ops) teams together to work as a single, collaborative unit. Instead of working in silos, both teams share responsibility for building, tes...

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RKRahul kumarrahultech.hashnode.devJun 17, 2025 · 4 min read

Caching Showdown: Redis Power vs Valkey Openness:-

🔍 What is Redis? Redis (Remote Dictionary Server) is an open-source, in-memory data structure store used as: A database A cache A message broker It supports a variety of data structures, including: Strings, hashes, lists, sets, sorted sets Bi...

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RKRahul kumarrahultech.hashnode.devMay 17, 2025 · 3 min read

🌐 Understanding Network Protocols: TCP/IP and UDP Explained

🌐 Understanding Network Protocols: TCP/IP and UDP Explained: In our digital era, we use the internet without thinking twice—sending a message, watching videos, or browsing a website happens in seconds. But behind this simplicity lies a complex syste...

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Rahul kumar

About

Available for

Rahul kumar's blogs

Recently published

Full-Stack Testing Strategies for Modern Web Development

Communication Techniques

Understanding DevOps from Scratch

Caching Showdown: Redis Power vs Valkey Openness:-

🌐 Understanding Network Protocols: TCP/IP and UDP Explained

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Rahul kumar

About

Available for

Rahul kumar's blogs

Recently published

Full-Stack Testing Strategies for Modern Web Development

Communication Techniques

Understanding DevOps from Scratch

Caching Showdown: Redis Power vs Valkey Openness:-

🌐 Understanding Network Protocols: TCP/IP and UDP Explained