I'm seeking an experienced Android developer to create a utility tool focused on file management. The main function of this app will be file transfer. Key requirements: - Record/play/edit audio and send to a web portal in m4a or mp3 format. - Develop a seamless file transfer functionality. - User-friendly interface for easy navigation. - Ensure app security and data privacy. - Optimize for performance and minimal battery usage. Ideal skills and experience: - Proficiency in Android development (Java/Kotlin). - Experience with file management systems. - Strong UI/UX design skills. - Knowledge of security protocols and data encryption. Please provide examples of previous work and a rough timeline for completion.