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SujalGadhave/README.md

Sujal Gadhave

Full-Stack Java Developer · Spring Boot · React · Secure Backend Systems

Building production-grade, security-first applications with clean architecture principles.

LinkedIn Email GitHub

Open to opportunities

Projects

StayFinder (Hotel Management)

RESTful backend for encrypted note storage — built to simulate a real-world secure data product.

  • JWT authentication with refresh token rotation
  • AES-256 encryption on all stored content
  • Role-Based Access Control (RBAC) with Admin / User / Viewer roles
  • Full Swagger/OpenAPI documentation · Postman test suite included

Stack: Java 17 Spring Boot 3.4 Spring Security Spring Data JPA MySQL JWT AES-256 Swagger

View Repository →

Employee Management System

Full-stack shopping application from product catalog to payment confirmation.

  • Spring Boot REST API consumed by a React 18 frontend
  • Stripe Checkout integration with webhook event handling
  • JWT-secured endpoints · cart and order management
  • Responsive UI with Bootstrap 5

Stack: React 18 Spring Boot Spring Security Stripe API MySQL JWT Bootstrap 5

View Repository →

AI Powered Smart Crop Advisory System

This application is the three-tier architecture

  • Frontend: React + Vite + Tailwind + React Router + Axios
  • Backend: Spring Boot (Web, Security + JWT, Data JPA) with endpoints for auth, crop detection, advisory, weather, and market prices
  • AI microservice: FastAPI stub with a focused /predict endpoint returning seeded PlantVillage classes
  • Database: MySQL for the demo (H2 in-memory for local dev fallback)

Stack: Python 3.x Java React JWT MYSQL

View Repository →

Skills

Area Technologies
Backend Java 17, Spring Boot 3.4, Spring Security, Spring Data JPA, Hibernate, RESTful APIs
Frontend React 18, JavaScript (ES6+), HTML5, CSS3, Bootstrap 5, JavaFX, Swing
Security & Auth JWT, OAuth2, AES-256 Encryption, Role-Based Access Control
Database MySQL, JDBC, SQL query optimization
Integrations Stripe Payments, REST API design
Tools Git, Maven, Postman, Swagger/OpenAPI, IntelliJ IDEA, VS Code
AI / Python Python, TensorFlow, Streamlit, Data Science fundamentals
Learning Docker, Microservices, System Design, DSA

Currently

  • Building: Microservices architecture with Spring Boot and Docker
  • Practicing: Data Structures & Algorithms for technical interviews
  • Studying: System design and distributed systems principles
  • Seeking: Backend or Full-Stack internship / junior role

About

Engineering student and self-taught developer from Maharashtra. I started with Java desktop apps, moved into Spring Boot backends, then picked up React to close the full-stack loop. I gravitate toward security and clean architecture — those are the things that separate a working app from a reliable one. Currently looking for opportunities where I can contribute real code and learn from experienced engineers.

If something here looks interesting, feel free to reach out — I'm always happy to talk about code.

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  1. AI-Smart-Crop-Advisory AI-Smart-Crop-Advisory Public

    This project aims to empower farmers with accessible AI tools that can help detect crop issues early and suggest actionable solutions.

    Python

  2. Stayfinder Stayfinder Public

    A production-ready REST API for a full-featured hotel booking platform built with Spring Boot, secured with JWT, powered by Stripe payments, and documented with Swagger/OpenAPI.

    Java

  3. employee-management-system employee-management-system Public

    A full-stack Employee Management System built with Spring Boot (Backend) and React (Frontend). The application supports JWT-based authentication, role-based access control, and complete CRUD operat…

    Java 1 1

  4. auth-service-encrypt-decrypt auth-service-encrypt-decrypt Public

    A secure Java-based authentication service with built-in encryption and decryption capabilities, designed for applications requiring secure data handling, user authentication, and cryptographic ope…

    Java

  5. e-commerce-javafx-portal e-commerce-javafx-portal Public

    🛒 JavaFX E-Commerce Management System A simple e-commerce management system built with JavaFX. It helps manage products, orders, and inventory with an easy-to-use interface.

    Java

  6. e-commerce-api-maven-db e-commerce-api-maven-db Public

    E-commerce management is a simple managing system build with spring-boot. It helps to manage products, user with "CRUD" operations

    Java