Java Hosting Software with Ember.js

I'm looking for a comprehensive hosting software to be built, using Java for the backend and Ember.js for the frontend.

Key Functionalities:
- File Uploading and Management: The software needs to automatically place uploaded files.
- Nginx Configuration: The software should have the capability to configure Nginx as a web server.
- LetsEncrypt Integration: I want the software to create and renew LetsEncrypt SSL certificates.

Security Measures:
- User Authentication and Authorization: A vital aspect of this project is to ensure the security of the uploaded files and the overall system. Hence, the software should include robust user authentication and authorization features.

Management Preferences:
- Web Interface: The software should be managed via a user-friendly web interface.

Ideal Skills and Experience:
- Strong experience in software development using Java for backend and Ember.js for frontend.
- Prior experience in building hosting software, including file management, Nginx configuration, and LetsEncrypt integration.
- Understanding of security practices and experience in implementing user authentication and authorization features.
- Proficiency in developing web interfaces for software management.