ShopSphere - Multi-Vendor E-Commerce Marketplace
A full-featured, cloud-native marketplace platform enabling artisans and small businesses to set up their own digital storefronts. The platform handles everything from product listing and inventory management to secure payments, shipping, and automated commission payouts.
About the Project
ShopSphere was designed to empower local artisans by providing them with the tools of a major e-commerce player. The architecture is built around a multi-tenant design where each vendor gets a customizable storefront. The core platform handles the complex logistics: a real-time inventory sync engine prevents overselling, an integrated payment gateway splits payments between the vendor and platform automatically, and a sophisticated recommendation engine boosts cross-selling. The admin panel provides powerful analytics on marketplace health, fraud detection, and vendor performance.
Key Features
Challenges
Managing real-time inventory across 500+ independent vendors was a massive concurrency problem. Implementing a fair and transparent commission system while preventing fraudulent transactions and chargebacks was another major hurdle. Performance under peak load (like during holiday sales) was critical.
Solution
We used event sourcing with a CQRS pattern to maintain a reliable audit trail for all inventory changes. For payments, we integrated Stripe Connect, which handles the complex money movement and compliance. We built a rules-based engine for commissions that could handle tiered rates and promotions. To ensure performance, we implemented aggressive caching at multiple levels (CDN, Redis for sessions, and database query caching) and used Elasticsearch for lightning-fast product searches.
Results & Impact
Monthly Gmv
$2.8 Million
Active Vendors
650+
Average Order Value
$85
Client Testimonials
ShopSphere allowed us to scale from a local collective to a national marketplace in under a year. The platform is incredibly robust and our vendors love the intuitive interface.
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