Project Title: App Enhancements & iOS Calling Issue Fix for DigiBells Project Description: We are looking for an experienced Flutter app developer to enhance and improve our existing mobile application. The project includes UI improvements, fixing critical calling issues on iOS devices, and making updates to the admin portal. Scope of Work: 1. Mobile App Enhancements (Flutter) * Improve and modernize the user interface (UI/UX) * Enhance overall app performance and user experience * Ensure cross-platform stability (Android & iOS) 2. iOS Calling Functionality Fix * Resolve issues with calling feature on iOS devices * Fix problem where call notifications are not received properly * Ensure proper incoming call alerts and background handling 3. Admin Portal Updates * Add functionality to manage user subscriptions from the admin panel * Improve admin controls and usability Requirements: * Strong experience in **Flutter development** * Good understanding of **iOS-specific issues** (especially notifications & calling) * Experience with **VoIP / real-time communication features** * Knowledge of backend/admin panel development Preferred Qualifications: * Experience with Firebase, APNs, or similar notification systems * Prior experience fixing iOS call notification issues * Experience working on live/production apps **Project Type:** Freelance / Contract **Timeline:** To be discussed **Budget:** Open (please share your quote)