Over three months, Hamdi Khater developed and refined user-facing features across the team-berlin/Aflami and Amsterdam-Team/The-Cute-Tudee repositories, focusing on Android development with Kotlin and Jetpack Compose. He built modular UI layers, introduced animated onboarding, and redesigned the profile experience to enhance engagement and maintainability. His work included implementing secure authentication flows, integrating Firebase for analytics and crash monitoring, and improving image handling with SafeImageViewer. By refactoring category icon mapping and enabling sensor-based orientation, he improved UI clarity and adaptability. Hamdi’s approach emphasized clean architecture, robust error handling, and scalable project structure, resulting in reliable, maintainable mobile applications.