Jewelry Marketplace App with Real-Time Gold Pricing

Developed a production-ready multi-vendor jewelry marketplace (iOS & Android) using React Native and Laravel. Enabled multiple sellers to manage products with Super Admin-controlled onboarding, product approval, commission rules, and role-based access. Implemented a real-time gold pricing engine with configurable pricing rules to protect margins. Built end-to-end e-commerce flows including product browsing, secure checkout, order management, logistics, and post-purchase follow-up. Integrated Brazilian payment methods (PIX, Boleto, Credit Cards), automated emails, and an interactive 3D product viewer. Delivered a scalable admin system to manage sellers, products, orders, pricing, and marketplace performance, suitable for high traffic and investor presentations.