Private Creative Audio Tool MVP Developer Needed

I’m looking for an experienced developer to help build a private MVP for a music/audio workflow tool. This is an early-stage personal creative software prototype, not a public app launch. I’m looking for someone who can help build a simple, functional first version with private access, audio file handling, organization, playback, saved sessions, and basic export/notes features. Core needs: Private user access/login Audio file upload and storage Basic organization/tagging system Audio preview/playback Ability to save selected items or sessions Simple notes/export function Clean, easy-to-use interface Simple, stable MVP build rather than an overcomplicated product Ideal experience: Full-stack web development Audio playback or Web Audio API experience Creative tools, music tech, DAW-adjacent tools, or media library experience Ability to work in small milestones Comfortable signing an NDA and IP assignment agreement before receiving full project details I would like to start with a small paid discovery/prototype phase first. The first phase would include reviewing the concept under NDA, helping define the simplest technical approach, and creating a basic development plan. If it feels like a good fit, we can continue into the MVP build. Please include: Examples of relevant audio, media, creative software, or private workflow tools you’ve built Your hourly rate Your recommended approach for a simple MVP Whether you can work in small weekly hour blocks