ERP Student Management System Development

I'm seeking an experienced developer or team to create a comprehensive ERP Student Management System. The system should be web-based, responsive, secure, and user-friendly, with the ability to scale for multiple branches.

Core Features Needed:

- Student Database & Admissions
- Attendance Tracking
- Fees Collection
- Multiple categories
- Online payment
- Exams, Grades & Report Cards
- Timetable & Academic Management
- Notifications via SMS/Email (using Twilio)
- Reports & Analytics
- Performance Metrics
- Attendance Trends
- Fee Collection Statistics
- Role-Based Access:
- Admin, Teacher, Student, Parent

Delivery should include:
- Source Code
- Documentation
- Basic Training

Ideal skills and experience:
- Strong background in ERP development
- Expertise in web-based and responsive design
- Experience with Twilio for notifications
- Proven track record in delivering secure, user-friendly applications

Please share your cost, timeline, and portfolio of similar projects.