We are looking for a senior-level developer experienced in React Native + Mapbox GL (mobile + web) to build a clean, modular Tourism Guide MVP for iOS, Android, and Expo Web. This is a fixed-price project structured into milestones. The final price will be agreed after reviewing your initial proposal and examples. A full detailed scope will be shared in the next step of the selection process. ________________________________________ High-level MVP vision (summary only) Two main screens: • Map Screen – Mapbox GL, user location, POI markers (from JSON), smooth gestures • POI Detail Screen – image, text, hours, ticket info, “Navigate” Basic Navigation: • Route line (Mapbox Directions) • Distance + ETA Web Version (Expo Web): • Same functionality as mobile • Shared codebase ________________________________________ Architecture Expectations (high-level only) The MVP must be: • Modular & expandable (future POI layers, categories) • JSON-driven (POIs, text, structure) • Multi-language ready (fallback to EN) • Backend-ready for future upgrades • Clean and maintainable (no over-engineering) • Consistent across Mobile + Web (Full technical specification will be provided after shortlisting.) ________________________________________ Deliverables • Complete MVP (iOS + Android + Web) • Clean, documented source code • App Store & Play Store upload support • Expo Web production build This is a fixed-price milestone project, not hourly billing. ________________________________________ What to include in your first message 1. Short summary of your Mapbox experience 2. Relevant example(s) (mobile/web) 3. Your preferred approach: o “KUK2G – React Native” o or “KUK2G – Expo Web” 4. Your rough fixed-price estimate for an MVP of this size Replies without the keyword will not be considered.