Mobile Intern Signup Sheet with QR Code

I'm looking for a mobile-accessible sign-up sheet for interns that logs hours and includes a QR code for easy access.

Key Features:
- Mobile accessibility
- Sign-up functionality
- Hour logging
- QR code integration
- Analytics dashboard to track usage and metrics

Ideal Skills and Experience:
- Experience in mobile app or web development
- Familiarity with QR code integration
- Strong analytics dashboard design skills
- Proven track record (please include past work in your application)

Please provide examples of your past work.