APK Functionality Replication with User Authentication

I'm looking for a skilled developer who can replicate the functionality of my existing APK file. This project will primarily involve utilizing the same API and implementing a few minor features.

Key Tasks:
- Replicate the existing APK functionality
- Use the same API
- Implement other minor features

Additionally, I want to integrate a secure user authentication system via a web admin panel.

Ideal Skills:
- Expertise in Android app development
- Proficiency in API integration
- Experience with secure user authentication systems
- Knowledge in setting up web admin panels


Please note that the ability to accurately replicate all aspects of the existing APK file will be crucial for the success of this project.