I need a Zepto-style quick-commerce application built for both iOS and Android. A shared codebase such as Flutter or React Native is fine, provided each store’s guidelines are fully respected. Core flow • Sign-up / login (phone, email, social) • Dynamic product catalogue with search, filters and real-time pricing • Cart, checkout and seamless order processing Critical integrations • Payment gateway for cards, UPI and wallets • Live link to our inventory management system (API or webhooks) • Automatic order dispatch to a third-party delivery partner with status updates returned to the app Deliverables 1. Pixel-perfect UI that follows modern quick-commerce patterns 2. Secure backend (Node.js, Laravel, Firebase Cloud Functions—open to suggestions) with admin panel for product, price and order management 3. Source code, build instructions, TestFlight / internal testing artefacts and support through App Store & Play Store approval Acceptance criteria • A new user can register, browse items, pay and receive confirmation within two minutes on 4 G. • Inventory levels update instantly after every successful order. • Delivery partner receives the order payload and returns status updates visible to the user. • No critical crashes in a 100-device Firebase Test Lab run. Please share your preferred tech stack, relevant quick-commerce experience and an estimated timeline for the MVP and subsequent milestones.