Project Delta
Personal Finance Management System
Project Overview
A complete expense tracking application that helps users manage spending, budgets, transactions, and financial insights with comprehensive charting.
Problem Statement
Managing personal finance requires continuous categorization and budget compliance. Existing apps are often cluttered with advertisements or require complex configurations, causing users to drop off.
The Solution
Designed an intuitive, ad-free personal finance tracker where users can log expenses, define monthly budgets, analyze spending trends, and export financial summaries.
Key Features
- Real-time transaction tracking and automatic categorization.
- Interactive monthly budget planner with warning triggers.
- Analytics dashboard with visual spending breakdowns.
- Complete transaction history filtering and CSV exports.
- Redux Toolkit state management for instant local state sync.
System Architecture
MERN Stack (MongoDB, Express.js, React.js, Node.js) with Redux Toolkit for clean client state management. Charting built using responsive SVG charts.
Challenges & Solutions
Designing a scalable MongoDB aggregation pipeline for dynamic category grouping and monthly budget comparison queries.
Results & Impact
Completed a lightweight personal finance system with automatic daily balance updates. Built clean transactional history views with sub-50ms query response times.