Flutter Developer — Full App Build (Frontend + Firebase Backend) | Arabic RTL

Overview We are looking for a Flutter developer to build our complete mobile application — frontend and backend. The backend will be built entirely using managed services (Firebase) — no custom server infrastructure required. This is a full app build, not a UI-only role. The project is fully planned and documented. PRD, screen inventory, wireframes, and a partial Figma file (25 of 61 screens) are already provided. You will complete the remaining screens and build the entire backend logic. ⚠ Budget for this project is fixed at $2,100 USD. This is final. Please do not apply if this does not work for your rate. --- Project Scope - 61 total screens — 25 already designed in Figma, 36 require design completion and Flutter implementation - Full Firebase backend: Authentication, Firestore database structure, Cloud Functions, Security Rules, Push Notifications (FCM) - Payment gateway integration (Mada / local KSA provider) - Real-time location tracking and map-based screens - Marketplace and listing flows, booking/scheduling, checkout flows, messaging, dashboards, verification/status screens - Arabic RTL and English support throughout The remaining screens include: * User account and profile management * Marketplace and listing flows * Search and filtering * Booking and scheduling * Checkout and payment flows * Map-based screens * Messaging interfaces * Dashboard and management screens * Verification and status screens --- What We Provide * Complete PRD * Screen inventory spreadsheet * Wireframes for all remaining screens * Existing Figma file * Reference apps and design examples * Detailed screen requirements You will not be designing from vague ideas. Every screen has documentation and guidance. --- Responsibilities - Review existing screens and design system - Design remaining screens in Figma - Complete remaining Figma screens, maintaining visual consistency with the existing design system - Build all approved screens in Flutter with reusable components - Design and implement the Firebase backend: Auth, Firestore schema, Cloud Functions, Security Rules - Integrate payment gateway - Implement real-time features: live location tracking, push notifications - Implement Arabic RTL and English layouts throughout - Deliver clean, maintainable code --- Required Skills - Strong Flutter development (UI + state management) - Strong Firebase experience: Firestore, Cloud Functions, Authentication, Security Rules, FCM - Experience integrating payment gateways - Experience with real-time location or map-based features - Experience with Arabic RTL applications - Figma skills to complete remaining screens - Experience shipping production mobile apps end-to-end --- Nice to Have - GCC/Saudi market app experience - Familiarity with Firebase Emulator Suite - Experience with marketplace or booking-style apps --- Deliverables - Completed Figma designs for all remaining screens - Full Flutter app — UI fully implemented and connected to backend - Firebase backend fully configured (Auth, Firestore, Cloud Functions, Security Rules) - Payment gateway integrated and functional - Arabic RTL and English support across all screens - Clean, organized, documented codebase --- *Project Details - Fixed Price: **$2,100 — final, not negotiable for this scope** - Potential for continued work after completion --- To Apply Please provide: 1. Portfolio showing both Flutter frontend and Firebase backend work 2. Examples of apps you built end-to-end (not UI-only) 3. Examples of Arabic RTL work, if available 4. Confirmation you can deliver the full scope above for $2,100 fixed 5. Estimated timeline --- Screening Questions 1. Have you built a complete app end-to-end (Flutter + Firebase backend)? Share an example. 2. Have you worked on Arabic RTL applications before? Provide examples. 3. Have you integrated a payment gateway into a Flutter + Firebase app? Which one? 4. This is a fixed $2,100 project for the full scope described. Can you confirm you can deliver within this budget? 5. What is your proposed timeline for full completion?