Campus Marketplace

A complete campus marketplace where students list products, search listings, and manage transactions through RESTful Flask APIs and a React frontend backed by PostgreSQL.

Campus trading often happens through informal channels with no structured search, listings, or account management. The project needed a centralized product for students to publish and discover items.

I built RESTful APIs in Flask for authentication, product listings, search, and CRUD operations. A React frontend connects to PostgreSQL-backed endpoints for end-to-end marketplace workflows.

Flask serves REST APIs for users, listings, and search. PostgreSQL stores marketplace data. The React client consumes typed API contracts for listing browse, detail, and management flows.

• User authentication and profiles
• Product listing CRUD
• Search and browse by category
• RESTful Flask API layer
• React frontend with PostgreSQL-backed data

• API design for listing workflows

  Authentication, search, and CRUD needed consistent REST contracts so the React client could handle predictable states.

• Frontend and API integration

  The React app depended on clear API responses for listing creation, updates, and search results.

• PostgreSQL data modeling

  Users, listings, and search fields needed a schema that supported common marketplace queries.

• Flask for REST APIs

  Flask provided a straightforward layer for auth, listings, search, and CRUD endpoints.

• PostgreSQL for marketplace data

  Relational storage kept users, listings, and search data consistent across API operations.

• React for the client experience

  React handled listing browse, forms, and API-driven UI updates on top of the Flask service layer.

• Clear API contracts matter as much as UI polish in full-stack work.
• Marketplace features map cleanly to CRUD and search endpoints.
• PostgreSQL and Flask pair well for structured listing data.

• Listing status workflow (active, sold)
• Image uploads for product listings
• In-app messaging between buyers and sellers