Complete Sangam Connect School App

We are looking for an experienced Flutter + Firebase developer to professionally complete, refine, test and deploy an existing school mobile application called Sangam Connect. A substantial working prototype has already been developed in Flutter, with Firebase Authentication and Cloud Firestore integrated. The developer will receive the existing source code and is expected to improve and productionise it rather than build the entire application from scratch. The app will be used by students and authorised school staff and will primarily serve two purposes: school notices and inter-house/school competition management. Main Features Required Google sign-in using authorised school email accounts User roles/permissions for Students, Teachers and Administrators Student profile information including name, grade/class and house School Notices section Teachers/Admins can create and publish notices Notices can be displayed to appropriate users Competition section Teachers/Admins can create competitions Competition information including title, description, date, registration deadline and eligible grades Grade-based eligibility restrictions Students can register/unregister for eligible competitions Registration confirmation Teachers/Admins can view competition registrations Competition results House-based information/results where applicable Clean student-friendly dashboard Push notifications for important notices/competition updates Secure Firebase database structure and appropriate Firestore security rules Proper error handling and loading states Responsive and polished UI Testing on both Android and iOS Production build and deployment assistance for Google Play Store and Apple App Store