Travel Web App Frontend Redesign & Implementation

We have an existing live travel web application built on a low-code backend platform. The backend, authentication, APIs and core business logic are already functioning. We are looking for an experienced contractor to redesign and rebuild the frontend experience only, while preserving the existing backend and application functionality. The work will follow this process: Figma UX/UI design → clickable prototype → user testing and revisions → approved design system → React + TypeScript frontend implementation → GitHub pull-request workflow → integration with the existing backend/SDK → staging and regression testing → production release The objective is to transform the current interface into a polished, premium, production-quality consumer travel experience suitable for desktop, tablet and mobile. Scope: Phase 1 - Product Design / FIGMA: ○ Review the existing application and user journeys ○ Redesign the main web-app experience in Figma ○ Build a reusable component/design system ○ Create responsive desktop and mobile layouts ○ Produce a clickable Figma prototype before development begins. Phase 2 - React + TypeScript implementation: ○ Implement the approved UI using React + TypeScript ○ Integrate the frontend with the existing backend/API layer ○ Use GitHub branches and pull requests ○ Preserve current authentication, user data, APIs, analytics and business logic ○ Complete cross-browser/mobile regression testing before production Relevant candidates, please include in your proposal: 1. Two examples of live consumer web applications you have redesigned. 2. One example where you inherited an existing product rather than building from scratch. 3. A Figma portfolio showing end-to-end product UX, not just landing pages. 4. Your React + TypeScript experience. 5. How you would approach redesigning a frontend while preserving an existing backend. 6. Your estimated time for the Figma prototype phase. 7. Your fixed-price proposal.