React Native Developer to Rebuild Existing iOS/Android Marketplace App

React Native Developer Needed for Existing Marketplace App We are rebuilding an existing marketplace application in React Native. The application already exists in production on iOS and Android and currently uses Firebase Authentication, Firestore, and Storage. This is not a greenfield startup project. Existing user flows, screens, Firebase structure, and business processes already exist. Scope Development will be delivered in seven milestones. Phase 1 – Foundation Milestone 1 – Foundation Milestone 2 – Development Environment & V2 Database Schema Milestone 3 – Authentication Phase 2 – Core Marketplace Milestone 4 – Posting Milestone 5 – Home Feed & Profile Phase 3 – Completion Milestone 6 – Payment, Search & Supporting Features Milestone 7 – Marketplace Rules & Final Integration Detailed milestone documentation will be provided to shortlisted candidates. Technical Requirements Required: React Native TypeScript Firebase Authentication Firestore Firebase Storage API integration GitHub Preferred: Experience with marketplace applications Architecture Requirements The application should follow a clear separation between: Mobile UI Client domain logic Repository layer Backend integration layer Business rules should not be embedded inside screens. The architecture should support future expansion to additional marketplace categories without major rework. Deliverables Each milestone should include: Working iOS build Working Android build Regression testing Release notes GitHub commits Budget Target budget for Milestones 1–7: USD 1,800 Please provide: Relevant React Native experience Similar marketplace projects Estimated timeline Proposed approach