Windows SoundBoard Application (C# WPF)

I'm seeking a skilled developer to create a Windows desktop soundboard application using C# and .NET WPF for live events.

Key Features:
- Organize tracks/jingles into customizable playlists with tabs.
- Large, customizable buttons for each track with options for text, image, and color.
- Support for MP3, WAV, OGG, and MIDI formats.
- Essential track options:
- Start/End time (virtual trimming)
- Loop
- Shortcut key assignment
- Playlist features:
- Drag & drop track reordering
- Playback modes: Sequence, Shuffle, Repeat
- Additional functionalities:
- Save/load playlists in JSON/XML
- Export/import full configuration
- Full screen mode
- Global keyboard shortcuts
- Local media library for imported audio files

Deliverables:
- Complete source code in a Visual Studio solution, including C#/XAML, libraries, README, and licenses.

Ideal Skills and Experience:
- Proficiency in C# and .NET WPF
- Experience with audio playback and media libraries
- Strong UI/UX design skills
- Familiarity with JSON/XML for data handling
- Ability to deliver clean, well-documented code