Expense Tracker Backend

A backend project for managing personal expenses.
Built as a self-study project to practice backend development using Java and Spring Boot.

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📌 Project Overview

This project provides backend APIs for an Expense Management Application.
It allows users to register, log in, manage their expenses, and view expense statistics.

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👥 Team Members

• 01 (Self-study personal project)

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🛠️ Technology Stack

• Language: Java
• Frameworks: Spring Boot, Spring Security, Spring Data JPA, Spring Validation
• Database: MySQL
• Other: RESTful API, JWT Authentication

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✨ Features

• User Authentication & Registration
  Secure login and signup using Spring Security with JWT.

• Expense Management
  Create, update, delete, and categorize expenses.

• Expense Statistics
  Generate reports and summaries of expenses over time.

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🚀 Highlights

• Implemented JWT-based authentication with role-based authorization.
• Applied data validation to ensure input correctness and integrity.
• Designed and optimized relational database schema with MySQL & JPA.
• Developed RESTful APIs following clean architecture and best practices.

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📂 Project Structure (simplified)