👋 Hi, I'm Nandhakumar S V

🚀 Full Stack Developer | React | React Native | TypeScript | PHP

I'm a passionate Full Stack Developer from India focused on building modern, scalable and user-friendly web and mobile applications.

I have hands-on experience working with React, React Native, TypeScript, JavaScript, PHP, MySQL, REST APIs and payment gateway integrations.

Alongside software development, I also work on freelance projects through BuildNexDev, helping businesses and individuals build websites, web applications and digital solutions.

const nandhakumar = {
    role: "Full Stack Developer",
    location: "India 🇮🇳",

    frontend: [
        "React",
        "React Native",
        "TypeScript",
        "JavaScript",
        "HTML",
        "CSS"
    ],

    backend: [
        "PHP",
        "Node.js",
        "Express.js",
        "REST APIs"
    ],

    database: [
        "MySQL"
    ],

    payments: [
        "Razorpay",
        "CCAvenue",
        "HDFC QR",
        "ICICI"
    ],

    cloud: [
        "AWS EC2",
        "AWS S3"
    ],

    tools: [
        "Git",
        "GitHub",
        "Docker",
        "Nginx",
        "PM2",
        "Postman"
    ],

    currentlyLearning: [
        "Node.js",
        "Express.js",
        "MongoDB",
        "Docker",
        "CI/CD",
        "AWS",
        "System Design"
    ]
};

🚀 Personal Developer Portfolio

My portfolio showcases my development experience, projects, technical skills and the applications I've worked on.

🌐 nandhakumarsvdev.netlify.app

BuildNexDev is my freelance development initiative where I work on custom software solutions for businesses and individuals.

🌐 buildnexdev.in

React · React Native · TypeScript · JavaScript · HTML5 · CSS3 · Vite

PHP · Node.js · Express.js · REST API · JWT Authentication

MySQL · MongoDB · SQL · Database Design

AWS EC2 · AWS S3 · Docker · Nginx · Linux · PM2 · Git · GitHub · CI/CD

I have experience integrating payment systems into web applications.

💳 Razorpay
💳 CCAvenue
💳 HDFC QR Payment
💳 ICICI Payment Integration
💳 Payment Verification
💳 Transaction Handling
💳 Payment Status Management

A restaurant management and digital ordering platform.

• 📱 QR Menu
• 🍽️ Table Management
• 👨‍🍳 Kitchen Order Management
• 🧾 Billing
• 📦 Inventory Management
• 👥 Staff Management
• 📊 Sales Reports
• 💳 Payment Integration
• 🔐 Role-Based Access
• 🏢 Branch Management

Tech: React TypeScript PHP MySQL REST API

A web application designed to manage customers, loans, agents, collections and financial operations.

• Customer Management
• Loan Management
• Agent Management
• Collection Management
• Payment Tracking
• Reports
• Admin Dashboard
• Role-Based Access

Tech: React PHP MySQL REST API

A modern administration platform for managing users, branches, roles and business data.

Tech: React TypeScript Vite PHP MySQL

I also build mobile applications using React Native.

⚛️ React Native
📱 Android Applications
🍎 iOS Development
🔄 Redux
🔄 Redux-Saga
📝 Formik
🔌 REST API Integration
🔐 JWT Authentication
💳 Payment Integration

Frontend Development        ████████████████████
React Development           ████████████████████
React Native                ██████████████████
TypeScript                  ██████████████████
PHP Backend                 ██████████████████
REST API Development        ██████████████████
MySQL                       █████████████████
Payment Integration         ███████████████
AWS                         ████████████
Node.js                     ███████████
Docker                      █████████
CI/CD                       █████████

🚀 Node.js
🚀 Express.js
🚀 MongoDB
🐳 Docker
⚙️ CI/CD
☁️ AWS
🏗️ System Design
🔧 Microservices

💡 "Build. Learn. Improve. Repeat."

⭐ If you like my work, consider giving my repositories a star!