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Skills

  • API Development
  • Back End Development
  • Backend Development
  • E Commerce
  • Java
  • Java Development
  • Software Deployment
  • Software Development
  • Web Management
  • Web Servers

Services

  • Java Full Stack Development

    $15/hr Starting at $25 Ongoing

    Dedicated Resource

    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,...

    API DevelopmentBack End DevelopmentBackend DevelopmentE CommerceJava

About

Full-Stack Developer building powerful backends and modern, responsive frontends.

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 WebSocket

Admin Panels, Dashboards, and Management Systems

End-to-end Full-Stack Web Projects

📂 Featured Projects
1️⃣ 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/

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, WebSocket, 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.