Our Dubai marketplace projects start with the economic model — because marketplace architecture must serve the unit economics, not the other way around. We map the commission structure (transaction fees, subscription tiers, premium placement), payment flows (who pays whom, when, escrow requirements), and trust mechanisms before writing code. For multi-vendor e-commerce, we build on proven foundations: Medusa.js (headless, open-source, commission-handling built in), Sharetribe (for managed marketplace infrastructure), or fully custom Node.js/Next.js stacks when the business model demands flexibility that platforms cannot accommodate. The technology decisions unique to Dubai marketplaces: (1) Bilingual architecture: not just translating strings — the entire UX must work natively in Arabic (RTL layout, Arabic typography, Arabic search with morphological awareness) and English. Product listings, reviews, and seller profiles often exist in both languages. (2) Payment: integration with Network International (the dominant UAE payment gateway), Tabby and Tamara (buy-now-pay-later — enormously popular in UAE/GCC e-commerce), Apple Pay, and Samsung Pay. For B2B marketplaces: bank transfer and letter of credit flows. Escrow: for high-value transactions (property, luxury goods), we integrate payment escrow through regulated UAE escrow agents. (3) Logistics: for physical goods marketplaces, integration with Aramex (Dubai-headquartered), Fetchr, Quiqup (same-day delivery), and the seller's own logistics. For service marketplaces: real-time scheduling, location-based matching, and rating/review systems. (4) Compliance: UAE Federal Decree-Law No. 14 of 2023 on e-commerce regulates marketplace operations including seller verification, consumer protection, and return policies. Dubai Department of Economy and Tourism (DET) licensing requirements for e-commerce activities. MOHRE (Ministry of Human Resources) regulations for service marketplaces engaging freelancers.