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Complete e-commerce marketplace. Multiple sellers list products, customers purchase securely, both build reputation through ratings and reviews.

Complete marketplace with payments and reviews

Client

Tech Stack

Node.js, React, PostgreSQL, Stripe, AWS

YEAR

Nov 2025

The Problem:

MarketHub Ventures wanted to launch a multi-vendor marketplace (like Amazon or Etsy) but faced significant challenges:

Building a marketplace from scratch requires complex features: vendor management, payments, ratings, reviews, security
Traditional development would cost $150,000+ and take 6-8 months
They needed to launch quickly to capture market opportunity
No in-house technical team to build and maintain it
Required features: user authentication, product listings, shopping cart, secure payments, vendor dashboards, reviews, ratings
Payment processing had to be secure (PCI compliance)
Platform needed to scale to thousands of vendors and products
Search and filtering needed to work efficiently
Customer support and dispute resolution tools needed to be built in

The result: Massive scope, tight timeline, limited budget for a complex platform.

The Challenge:

Building a production-grade marketplace presented complex challenges:

Challenge 1: Secure Payment Processing

Problem: Handling payments from customers to vendors while staying PCI compliant is complex
Solution: Used Stripe Connect which handles the complexity, implemented proper token handling
Result: 99.6% successful payment processing with zero security incidents

Challenge 2: Scaling Product Search

Challenge 3: Vendor Commission Management

Problem: Platform needs commission, vendors need reliable payouts, accounting needs clarity
Solution: Automated commission calculation, Stripe Connect splits, detailed transaction records
Result: Transparent, automated vendor payouts

Challenge 4: Dispute Resolution

Problem: When vendors and customers disagree, platform needs fair process
Solution: Implemented dispute workflow with evidence submission, time limits, automated escalation
Result: 95% disputes resolved satisfactorily without manual intervention

Challenge 5: Database Performance at Scale

Problem: Initial design couldn't handle thousands of concurrent users
Solution: Added strategic indexes, implemented query optimization, caching layer
Result: Consistent performance even at peak load (50,000+ concurrent users)

Challenge 6: Image Optimization

Problem: High-quality product images can be slow to load, impact user experience
Solution: Automatic image compression, CDN delivery, responsive image sizes
Result: All images load in <1 second regardless of device

The Solution:

We delivered a production-grade multi-vendor marketplace in 30 days:

Core Features:

Vendor Management - Vendors can register, set up shops, list products, manage inventory, track sales
Product Listing - Full-featured product pages with images, descriptions, pricing, shipping options
Shopping Cart & Checkout - Intuitive buying experience with wishlist, cart management, multiple payment options
Payment Processing - Secure Stripe integration handling payments to platform and vendors
Ratings & Reviews - Customer reviews with ratings, verified purchase badges, response from vendors
Vendor Dashboard - Real-time sales tracking, order management, analytics, payout management
Search & Filtering - Fast, accurate search across 10,000+ products with faceted filtering
Customer Accounts - Order history, reviews, saved items, buyer protection
Admin Dashboard - Platform management, dispute resolution, vendor approvals, analytics