Restaurant POS for Windows

I am in need of a point-of-sale solution specifically designed for a restaurant environment.
Key Features:
- Compatibility with Windows/Andoid/IOS
- Integration with Inventory Management System
- Integration with Online Ordering Platform
- Simple and user-friendly interface
- Real-time data updates

Ideal Skills:
- Proficiency in developing Windows-compatible POS systems
- Experience with integrating external systems
- Familiarity with Inventory Management Systems and Online Ordering Platforms
- Strong UI/UX design skills
- Ability to implement real-time data synchronization

Please note that the exact number of products to be managed in the inventory is not specified. It may vary but should be scalable for future expansion.