NexusMarket — Multi-Vendor Enterprise E-Commerce Platform

NexusMarket was architected to handle complex multi-merchant commerce at enterprise scale, supporting thousands of concurrent shoppers, custom catalog taxonomies, and multi-currency payouts across 12 countries.

Core Architecture & Engineering

• Backend Engine: Built on Laravel 12 with dedicated domain-driven modules for Order Fulfillment, Split Ledger Payouts, and Tax Calculation.
• Real-Time Data: Redis pub/sub WebSockets for live inventory counter reservations during flash sales.
• Payment Gateway: Stripe Connect Custom Accounts with automated payout scheduling and instant fraud detection filters.
• Frontend Experience: Single-Page App reactive checkout engineered with Vue 3 and Pinia state management.

Measurable Outcomes

• Successfully handled over 20,000 monthly transactions with sub-450ms median response time.
• Streamlined vendor onboarding from 3 business days down to 8 minutes with automated KYC.