Peer-to-Peer Marketplace App (for buying/selling goods locally)

 

Peer-to-Peer Marketplace App - BSc IT Project Guide

1. Introduction

The Peer-to-Peer Marketplace App is a platform that allows users to buy and sell goods locally without intermediaries. It connects individual sellers and buyers within a specific region, enabling seamless transactions and community commerce.

2. Project Objectives

- To facilitate listing and browsing of second-hand items.
- To provide secure messaging between buyers and sellers.
- To implement a simple payment or contact system for deal finalization.
- To support user registration and profile management.
- To build a trustworthy reputation system via ratings and reviews.

3. System Modules

a. User Authentication and Profile Management
b. Product Listing and Categorization
c. Search and Filters for Products
d. Chat/Messaging System
e. Rating and Review System
f. Admin Panel for Moderation
g. Notification and Alert System

4. Technologies Used

- Frontend: React / Flutter / HTML-CSS-JavaScript
- Backend: Node.js / PHP / Django
- Database: MySQL / Firebase / MongoDB
- Tools: GitHub, Firebase Cloud Messaging, VS Code, Figma

5. Development Methodology

Agile methodology is used for iterative development and frequent stakeholder feedback. Each module is developed, tested, and reviewed in short sprints.

6. System Design Overview

The application uses a RESTful API architecture with secure data transmission. Users interact via a mobile or web interface, while admins manage backend content and user reports.

7. Testing

- Unit Testing: For individual components like forms and filters.
- Integration Testing: Between messaging, user, and product modules.
- Usability Testing: Ensuring intuitive user interface.
- Security Testing: Verifying input sanitization and data protection.

8. Conclusion

The Peer-to-Peer Marketplace App enables community-based commerce by providing a localized platform for second-hand goods exchange. It promotes sustainability and convenience while empowering local economies.