Dynamic Attendance Tracker

I'm looking for a skilled developer to create an attendance tracker with additional functionalities.

Requirements:
- Record attendance
- Log which bands or organizations paid for the attendance
- Save total payment amount per band/organization

Ideal Skills and Experience:
- Experience in developing tracking software
- Strong database management skills
- Familiarity with user-friendly interface design
- Ability to customize for multiple users and organizations

Please provide sample work and estimated timelines.