Combo Vending Machine Development

I'm seeking an experienced developer to create a combo vending machine.

Key requirements include:
- Accept multiple payment methods: Cash, Credit/Debit Card, and Mobile Payments
- Advanced features: Touchscreen interface and Remote monitoring capabilities

Ideal Skills and Experience:
- Experience in vending machine development
- Proficiency in payment integration
- Knowledge in touchscreen technology and remote monitoring systems
- Background in hardware and software development

Please provide examples of similar projects you've completed and your approach to this development.