SharePoint Drag-and-Drop Attendance System

I need an attendance system built on SharePoint for staff across four different shifts. The system should have a drag-and-drop dashboard interface.

Key Features:
- Staff picture cards that display:
- Name
- Photo
- Skillset
- Drag-and-drop functionality to:
- Assign staff to specific days
- Indicate if they are on duty, on vacation, or on overtime
- Generate:
- Weekly and monthly attendance reports

Ideal Skills and Experience:
- Proficiency in SharePoint development
- Experience with drag-and-drop interface design
- Familiarity with attendance tracking systems
- Ability to create customizable report generation

Please provide examples of relevant work.