Cross-Platform Music Playback & Streaming Software

I'm seeking an experienced software developer to create music playback and streaming software. This software should be compatible with multiple platforms including Mobile (iOS, Android), Desktop (Windows, macOS), and Web (browser-based). Key Features: - The software should support offline listening. - It should enable users to select, download, and stream music. Ideal skills for this project would include cross-platform software development, experience in building music software, and understanding of streaming services. A portfolio demonstrating these skills will significantly contribute to your bid's success.