Case Studies
Case Study
Expense Tracker
Delivered a personal finance tracker with clean data modeling, category insights, and monthly budget visualizations.
Problem & Constraints
Users needed a simple way to log expenses, categorize spending, and see monthly budget trends without complex setup.
- Fast entry flow for recurring expenses
- Clear visual summaries for budgets
- Reliable CRUD and data consistency
Solution & Results
- Implemented structured data models for categories and budgets
- Built monthly aggregation logic and chart views
- Streamlined CRUD flows with consistent validations
- Clear budget visibility with monthly summaries
- Stable tracking flow for repeat usage
- Ready for multi-account expansion
Metrics
- Delivery window: 84 days • 2024-06-10 to 2024-09-02
- Stack breadth: 6 technologies • React, JavaScript, Chart.js, Node.js, Express, MongoDB