Stock Sync Web App

I'm looking for a skilled developer to create a web app that will manage stock quantity and price synchronization between PrestaShop and eBay. This tool is essential for maintaining accurate inventory across platforms and preventing overselling.

Key Requirements:
- Automatic stock quantity and price updates between PrestaShop and eBay, both ways.
- User-friendly interface for easy monitoring and management.

Ideal Skills and Experience:
- Experience with PrestaShop and eBay APIs
- Proficient in web app development
- Strong background in database management
- UI/UX design skills for a user-friendly interface

Please provide examples of similar projects you've completed.