Vendor Performance Tracker Development

I'm seeking a skilled developer to create a vendor management system focused on tracking vendor performance.

Key Requirements:
- Primary goal is to track vendor performance.
- Essential metrics include:
- Delivery times
- Product quality
- Pricing accuracy
- Notifications needed:
- Email alerts
- SMS notifications
- In-app notifications

Ideal Skills and Experience:
- Experience in developing vendor management systems
- Strong background in performance tracking and analytics
- Proficient in setting up multi-channel notification systems
- Ability to create user-friendly interfaces for in-app notifications

Please provide examples of similar work and your approach to ensuring accurate performance tracking.