Android Utility & Telegram Bot Development

I'm seeking an experienced Android app developer who can also develop a Telegram bot. The primary function of the Android app will be as a utility tool, specifically focusing on file management.

Key Requirements:
- Develop an Android app centered around file management
- Build an integrated Telegram bot to enhance app functionality

Ideal Skills and Experience:
- Proficiency in Android app development
- Experience in developing Telegram bots
- Strong background in file management systems and user interface design

Please provide examples of similar work done.