Comprehensive Spa Management App Development

I'm seeking an experienced app developer to create a spa management application. The primary focus of the app will be on client management, and it should include the following key features:

Client Profiles:
- Detailed information including:
- Contact information
- Service history
- Preferences and notes
- Worker scheduling

Communication with Clients:
- Integrated messaging system to facilitate communication between staff and clients.

Loyalty Programs:
- Features to create and manage client loyalty programs.

Employment Management:
- Tools for managing employee schedules, roles, and responsibilities.

The ideal candidate should have:
- Expertise in mobile app development
- Strong background in client management systems
- Experience with loyalty program integration
- Skills in building communication tools within apps
- Knowledge in employment management functionalities

Please provide relevant experience in your bids.