Roshan singh

Software Engineer | Full-Stack Developer | Building scalable web apps with React, Next.js, Node.js & NestJS | Exploring AI and system design

Bengaluru ,Karnataka,India Joined on Mar 23, 2026

Roshan singh

Jul 23

# 🚀 Idempotency Keys in Payment APIs: Preventing Duplicate Transactions Explained

#backend #stripe #javascript #python

4 min read

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Roshan singh

Jul 21

## JavaScript Async vs Python AsyncIO — The Simplest Explanation for JavaScript Developers

#javascript #python #webdev #backend

3 min read

Roshan singh

Jul 15

# The Journey of a Request: How NGINX Routes Traffic Between Docker Containers in a Modern Web Application

#architecture #devops #docker #networking

4 min read

Roshan singh

Jul 2

What is API Versioning?

#webdev #programming #backenddevelopment #api

2 min read

Roshan singh

Jun 29

# Webhook vs Polling — Understanding with Real Examples

#javascript #node #webdev #webhook

2 min read

Roshan singh

Jun 19

LLD Design Process (From Requirements to Code)

#lld #systemdesign #interview #webdev

3 min read

Roshan singh

May 8

# 🚀 Important React Interview Questions Every Developer Must Know

#interview #react #webdev #javascript

3 min read

Roshan singh

May 8

React.memo vs useMemo vs useCallback — Complete Guide

#react #webdev #performance #nextjs

4 min read

Roshan singh

May 6

Scaling Redis in Distributed Systems: From Local Cache Problems to Redis Cluster

#redis #systemdesign #backend #distributedsystems

3 min read

Roshan singh

Mar 25

# How to Build a Complete CI/CD Pipeline with GitHub Actions and Docker Hub

#webdev #automation #productivity #devops

3 min read

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Roshan singh

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Writing Debut

# 🚀 Idempotency Keys in Payment APIs: Preventing Duplicate Transactions Explained

Want to connect with Roshan singh?

## JavaScript Async vs Python AsyncIO — The Simplest Explanation for JavaScript Developers

# The Journey of a Request: How NGINX Routes Traffic Between Docker Containers in a Modern Web Application

What is API Versioning?

# Webhook vs Polling — Understanding with Real Examples

LLD Design Process (From Requirements to Code)

# 🚀 Important React Interview Questions Every Developer Must Know

React.memo vs useMemo vs useCallback — Complete Guide

Scaling Redis in Distributed Systems: From Local Cache Problems to Redis Cluster

# How to Build a Complete CI/CD Pipeline with GitHub Actions and Docker Hub