Comprehensive College Management App Development

I'm looking for an experienced developer to create a comprehensive college management app similar to an ERP system, supporting both iOS and Android platforms.

Key Functionalities:
- Student Information System
- Attendance Tracking
- Exam and Grade Management

Additional Features:
- Library Management
- Course Scheduling
- Fee Management

Ideal Skills and Experience:
- Proficiency in mobile app development for iOS and Android
- Experience in building ERP-like systems
- Strong database management skills
- UI/UX design experience for intuitive user interfaces

Please include relevant past work and a timeline for completion.