Objective:

To build a full-featured, user-friendly online marketplace where vendors can list products, customers can browse and purchase items, and admins can manage operations.

Target Users:

• Small business owners and independent sellers

• Customers looking for a variety of products in one place

• Admins managing product quality, user activity, and analytics

Core Functionalities:

1. User Roles

• Buyer: Can browse, add to cart, purchase, and review products.

• Seller: Can create a store, list products, manage orders.

• Admin: Manages users, approves listings, and oversees site activity.

2. Product Listings

• Add/Edit/Delete product with:

  • Title, description, price, SKU, stock, shipping options

  • Images, tags, categories, variations (size, color, etc.)

• Bulk upload via CSV or Excel (for pro sellers)

3. Product Search and Filters

• Search bar with auto-suggestions

• Filters: category, price range, brand, ratings, availability

• Sort by: popularity, price, newest, rating

4. Shopping Cart and Checkout

• Add to cart, update quantity, remove items

• Wishlist/favorites

• Multi-product checkout with shipping options

• Apply coupon codes or promo offers

• Multiple payment gateways (Stripe, PayPal, Razorpay)

5. Order Management

• Buyers: View order history, track shipping, cancel or return

• Sellers: View new orders, update status (processing, shipped, delivered)

• Admins: Full control over all orders

6. Review and Rating System

• Product reviews (star rating + comment)

• Seller ratings (average response time, delivery satisfaction)

• Flag/report inappropriate reviews

7. Admin Dashboard

• Manage users (ban/suspend/edit)

• Approve or reject product listings

• Revenue analytics, best-selling products

• Monitor fraudulent activity

8. Shipping & Delivery Integration

• Track packages with shipping APIs (e.g., Shippo, EasyPost)

• Set shipping zones and rates

• Order status updates via email/SMS

9. Responsive UI and Mobile Support

• Fully responsive web UI (mobile-first)

• Optional: Hybrid mobile app using React Native or Flutter

Optional Advanced Features:

• Live chat between buyer and seller

• Affiliate marketing module

• AI-based product recommendations

• Multilingual and multi-currency support

• B2B vs B2C seller tiers