Senior Full-Stack Developer for Marketplace

We are building Cuponex, a modern marketplace platform that connects users with exclusive discounts, promotions, and experiences from restaurants, retail stores, events, travel, hotels, wellness businesses, entertainment, and more. We are looking for a highly experienced Senior Full-Stack Developer (or small technical team) who has previously built scalable marketplace platforms. This is not a simple website—we are building a technology company. What we're building Responsive Website iOS App Android App Merchant Dashboard Admin Dashboard User Dashboard Core Features User registration (Email, Google, Apple) Business registration Search engine Categories Geolocation Interactive map User profiles Business profiles QR code coupon redemption Digital coupons Favorites Push notifications Reviews & Ratings Referral system Loyalty system Premium memberships Analytics Dashboard Merchant analytics Admin management system Payment integrations Promotional campaigns Banner management CMS API integrations Scalable cloud infrastructure Preferred Tech Stack React / Next.js Flutter (preferred) or React Native Node.js (NestJS preferred) or Laravel PostgreSQL Redis Firebase AWS or Google Cloud Docker GitHub REST API / GraphQL Required Experience We're looking for someone who has previously built platforms similar to: Groupon Yelp Airbnb Uber Eats DoorDash ClassPass Fever OpenTable Booking platforms Marketplace applications Please include links to live projects available on the App Store, Google Play, or production websites. What we're looking for 5+ years of experience Strong UI/UX understanding Experience building scalable SaaS or Marketplace platforms Clean architecture Secure coding practices Excellent communication Fluent English or spanish Ability to think like a product builder, not just a programmer Long-term mindset Bonus Skills AI integration Recommendation engines Growth features Performance optimization DevOps Startup experience Project Goal Our objective is to launch an MVP in Venezuela, validate the business model, and scale the platform across Latin America. We're looking for someone who wants to build a real company not just complete a freelance project. To Apply Please include: Portfolio Marketplace projects you've built GitHub (if available) Tech stack you're most comfortable with Estimated timeline and cost Team size (if applicable) Why you're the right fit for this project