Laravel Developer for ERP & WhatsApp Bot

I need an experienced Laravel + WhatsApp API developer to complete and fix my existing ERP & WhatsApp Bot. The project is already 90% completed.

Scope of Work:

Update the WhatsApp Bot flow exactly as per the provided flow diagram.
Add WhatsApp Carousel messages where required.
Complete CRM integration according to the flow diagram.
Fix the Payment System, Advance Payment, Statement of Account, and Receipt Summary calculations.
Apply the same payment logic to both Quotation and Bill modules.
Fix product filter and other UI/logic issues.
Prepare the WhatsApp Bot for Bulk Messaging/Broadcast.
Fix any additional minor bugs found during testing (around 4–5 bugs).

Requirements:

Strong experience with Laravel, MySQL, JavaScript, and WhatsApp Business API.
Must understand existing code and complete the remaining work without breaking current features.

Project Duration: 2 Days (No extension)

Payment Terms: Payment will be released only after the work is completed, tested, and verified.

I will provide the source code, CRM login, flow diagram, and all required details after discussion.