Android Project Sharing App Development

I'm looking for an experienced Android developer to create an app focused on sharing personal projects.

Key Requirements:
- Users must create an account to share projects.
- Sharing media types: text, documents, images, videos, links.

Ideal Skills and Experience:
- Proficient in Android app development.
- Experience with user authentication systems.
- Familiarity with multimedia content handling within apps.
- Strong UI/UX design skills for an intuitive user experience.

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