Project Overview

A multi-vendor marketplace connecting 200+ independent sellers with customers. Features include real-time inventory, dynamic pricing, and a recommendation engine.

Core Features

Real-time inventory sync via WebSocket — when a seller updates stock, the change propagates to all active sessions within ~200ms.

Dynamic pricing engine that adjusts based on demand, seller-defined rules, and promotional campaigns.

ML-powered product recommendations using collaborative filtering on purchase history.

Performance

Sub-100ms API responses at p95. Handles 5,000 concurrent users during flash sales. 99.9% uptime over 12 months.