WhatsApp Business API Script Enhancement

I'm seeking an experienced developer with expertise in chat app infrastructure, specifically for the WhatsApp Business API. I need someone who can make comprehensive changes to my existing script to enhance its functionality and reliability.

Key Requirements:
- Implement new features to improve the script's capabilities
- Fix existing issues, including message delivery failures, script crashes, and API connection problems
- Optimize the script for better performance and efficiency

Ideal Skills and Experience:
- Proven experience in developing and modifying chat app infrastructure
- In-depth knowledge of the WhatsApp Business API
- Strong problem-solving skills to address and resolve technical issues
- Ability to optimize scripts for enhanced performance

If you have the expertise to elevate my script and ensure seamless operation, I would love to hear from you.