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03 / Case study

PriceRadar

A product price intelligence concept focused on tracking changing prices and turning history into useful comparisons.

Spring BootReactPostgreSQLREST APIs

The problem

A single product price tells you what something costs now, but not whether that price is actually interesting. Historical context changes the decision.

The outcome

The project explores price history as a useful signal instead of treating price as a static field.

The approach

The project explores a backend-first workflow for product data, price history and comparison, exposed through APIs to a responsive frontend.

Product discovery ↓ Price capture ↓ Historical data ↓ Comparison ↓ Useful insight

What I built

Product records
Price history
Comparison workflow
REST API design
PostgreSQL persistence
Responsive frontend

Engineering decisions

The core idea is to treat price as a time-series signal rather than a static field. That creates room for future alerts, trend views and smarter purchasing decisions.