Full Stack React Developer Needed – Marketplace Platform Revamp

We are looking for an experienced **React Full Stack Developer** to revamp and extend an existing marketplace platform into a new business domain. This is **not a project from scratch**. The existing platform already includes a backend, database, APIs, authentication, admin panel, payment flow, and vendor web portal. The objective is to **reuse as much of the existing system as possible**, while redesigning the frontend and modifying the business logic where required. ## Scope of Work ### Customer Mobile App * Refresh and modernize the UI/UX * User authentication * Nearby shop discovery * Product browsing * Cart & Checkout * Online payments * Order tracking * Notifications * Profile & Order History ### Vendor Mobile App (New) The current vendor experience is available only as a web portal. A dedicated mobile app needs to be developed with: * Vendor onboarding * Shop registration * Location selection using maps * Document upload * Dashboard * Inventory management * Order management * Earnings & payouts * Shop settings * Notifications ### Admin Portal Enhance the existing admin panel with: * Dashboard & analytics * Vendor approval * Customer management * Order management * Payment & payout management * Delivery management * Reports * Service area management * Coupon & notification management ## Integrations The platform should support: * Online payment gateway * Google Maps for location and address selection * Push notifications * Third-party delivery partner integrations ## Responsibilities * Review the existing application architecture. * Identify reusable backend modules and business logic. * Revamp the frontend with a modern, responsive UI. * Build the new vendor mobile application. * Modify existing APIs where required. * Deliver clean, scalable, and well-documented code. ## Requirements * Strong React development experience * Experience building marketplace or e-commerce platforms * Experience integrating payment gateways, maps, and delivery services * Ability to understand and extend an existing codebase * Strong problem-solving and communication skills ## When Applying, Please Share * Similar marketplace, delivery, or e-commerce projects you've worked on * Your approach to revamping an existing platform while maximizing code reuse * Estimated timeline for the project * Your preferred engagement model (hourly or fixed price) * Portfolio or GitHub (if available)