Custom Patreon Music Player Development

I need a dedicated music player for my catalog, similar to Spotify, but exclusive to my Patreon subscribers.

Essential Features:
- Accessible on iOS, Android, and web browsers
- Authentication via Patreon login
- Playback on lock screen
- Shuffle and loop modes
- Playlist creation
- Download for offline listening
- Favorites/Like feature
- Embedded on my Patreon page

Ideal skills and experience:
- Experience in developing music streaming applications
- Proficiency in mobile and web app development
- Familiarity with Patreon API integration
- Strong UI/UX design skills

Please provide a portfolio of similar projects. Looking forward to your bids!