Custom Fitness Membership Management System

I am looking for an experienced developer to build a web-based Fitness Membership Management System tailored to the needs of my gym.

The application should allow efficient management of gym members, memberships, and financial statistics.

Core Features Required:
- Add and manage gym members (active and inactive users)
- Create and manage different membership types
- Membership management (start/end dates, status, renewals)
- Dashboard with statistics of active members
- Revenue reports from memberships:
- Daily, weekly, and monthly income
- Comparison with previous periods (growth/decline)
- Clean and user-friendly admin interface
- Secure authentication and role-based access (optional but preferred)

Technical Requirements:
- Backend: PHP or Java (frameworks are welcome)
- Database: MySQL or PostgreSQL
- Responsive web application
- Well-structured and documented code
- Scalable solution for future feature expansion

Nice to Have:
- Experience with fitness or membership-based systems
- Data visualization (charts, graphs for statistics)
- API-ready architecture

Goal:
To develop a reliable and scalable Fitness Membership Management System that simplifies daily gym operations and provides clear insights into member activity and revenue.

Please include:
- Relevant experience or portfolio
- Suggested tech stack
- Estimated timeline and cost