Build a PHP Software To Handle Whatsapp + Automate The Journey + ChatGPT

I am looking for a skilled PHP developer who can build a software that integrates Whatsapp, automates the journey, and integrates ChatGPT.

Specific features needed:
- Whatsapp integration
- Journey automation
- ChatGPT integration

The software should be integrated into an existing system.

I am expecting complete automation with no manual involvement.

Ideal skills and experience:
- Strong proficiency in PHP
- Experience with Whatsapp integration and automation
- Knowledge of ChatGPT integration

Please provide examples of previous projects that demonstrate your expertise in these areas.