Hi, I’m Ranjit Kumar — a Java Backend Developer and Full-Stack Web Developer who loves building clean, fast, and scalable web applications. I specialize in Java, Spring Boot, REST APIs, SQL, MySQL, MongoDB, and modern frontend development using React.js, HTML, CSS, and JavaScript.
I focus on making applications that are not only powerful on the backend but also user-friendly and visually appealing on the frontend. My development approach is based on clean architecture, optimized code, and strong problem-solving.
🚀 What I Do
Backend Development using Java & Spring Boot
REST APIs, CRUD Operations, Authentication, JWT
Database Design (MySQL & MongoDB)
Frontend Apps using React.js
Real-time Systems using WebSockets
Admin Panels, Dashboards, and Management Systems
End-to-end Full-Stack Web Projects
📂 Featured Projects1️⃣ Wedding Service Booking Platform
A complete full-stack application for managing wedding and event services.
Highlights:
Vendor listing & booking system
User registration/login
Booking status tracking
Admin dashboard for approvals
Clean UI & responsive layout
Tech: Java, Spring Boot, React.js, MySQL
2️⃣ Complaint & Service Management System
A workflow-based platform where users can register complaints and track their status.
Highlights:
Complaint submission with auto ticket ID
Admin & employee panels
Status updates and priority management
Reporting & audit features
Tech: Spring Boot, MySQL, JPA, React/Thymeleaf
3️⃣ Real-Time Chat Application
A secure and fast messaging app built for instant communication.
Highlights:
Real-time messaging with WebSockets
One-to-one chat
Authentication system
Chat history storage
Responsive UI
Tech: Spring Boot, WebSockets, MongoDB/MySQL, React.js
🧩 Technical Skills
Backend: Java, Spring Boot, Spring MVC, JPA, Hibernate
Frontend: HTML, CSS, JavaScript, React.js
Databases: MySQL, MongoDB
Tools: Git, GitHub, Postman
Other: DSA, API security, authentication, JWT
🌟 Why Work With Me
Clean, maintainable, and scalable code
Complete backend + frontend development
Strong debugging and problem-solving skills
Clear communication and timely delivery
Quality-focused development approach
📬 Let’s Connect
Whether you need a web application, backend system, dashboard, API integration, or a full-stack project, I’d love to help you build something powerful and user-friendly.