Equipment Rental Booking System

I'm looking for a developer to create a comprehensive booking system for equipment rentals. This system will be integrated into my websites, similar to bestpriceskipbins.com.au and finds skip.com.au.

Key Requirements:
- Handle product rentals specifically for equipment
- Must include:
- Calendar integration
- Payment processing
- Inventory management

Ideal Skills and Experience:
- Experience in developing booking systems
- Strong knowledge in calendar APIs, payment gateways, and inventory management systems
- Ability to integrate seamlessly into existing websites

Please provide examples of similar work done and a detailed approach.