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hsc92180/README.md

Hi πŸ‘‹, I'm Himanshu Chauhan

Backend Engineer β€’ Java β€’ Spring Boot β€’ Node.js β€’ EV Charging β€’ Payment Systems

Building scalable backend systems, real-time applications, and production-grade payment infrastructure.


πŸš€ About Me

  • πŸ’Ό Backend Engineer with 2+ years of production experience
  • ⚑ Building EV Charging Infrastructure using OCPP 1.6 / OCPP 2.0
  • 🌍 Implemented OCPI 2.2.1 integrations with Google EVCS, Statiq, Ionage & Eco-Movement
  • πŸ’³ Integrated Payment Gateways:
    • Razorpay
    • Paytm
    • HDFC
    • Stripe
  • ☁️ Experience with AWS & Azure Cloud
  • πŸ”₯ Passionate about scalable backend systems and system design

πŸ›  Tech Stack

Languages

Java JavaScript TypeScript

Backend

Spring Boot NodeJS Express

Frontend

React

Database

MongoDB MySQL PostgreSQL

Cloud

AWS Azure

Tools

Git β€’ GitHub β€’ Postman β€’ Firebase β€’ Docker β€’ VS Code


πŸ† Professional Highlights

βœ… OCPI 2.2.1 Roaming

  • Google EVCS
  • Statiq
  • Ionage
  • Eco Movement

βœ… OCPP 1.6 / OCPP 2.0

  • Remote Start
  • Remote Stop
  • Charging Sessions
  • WebSockets

βœ… Payment Systems

  • Razorpay
  • Paytm
  • Stripe
  • HDFC

βœ… Cloud Migration

AWS ➜ Azure


πŸ“Œ Featured Projects

πŸš— EV Charging Platform

Production-grade backend for EV Charging Management.

Tech

Java β€’ Spring Boot β€’ WebSocket β€’ MongoDB β€’ Node.js


🌍 OCPI 2.2.1 Integration

Roaming integration enabling charger interoperability across multiple providers.


πŸ’³ Payment Gateway Integration

Integrated

  • Razorpay
  • Paytm
  • HDFC
  • Stripe

with secure backend transaction handling.


🏠 MERN Estate Platform

A full-stack real estate application with authentication, property search, and responsive UI.


πŸ“« Connect With Me

LinkedIn

|

Email


⭐ If you like my work, feel free to connect with me!

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