WhatsApp API Integration with Angular 17

I need a seasoned developer to integrate Un-Official WhatsApp API into my project built on Angular 17. This integration is pivotal for sending various types of messages including text, multimedia, and documents.



Key Requirements:

- The primary goal of this integration is to facilitate message sending, with provisions for both single and multiple recipients.

- The types of messages to be sent include:

 - Text messages

 - Multimedia messages (such as images and videos)

 - Documents and files

- Additional messaging features that are crucial to this project include:

 - Scheduled messaging

 - Using message templates

Note 
Un-Official WhatsApp API 
we need OR login and maintain session | Multiple Login Allowed 

Screen Needed

Account Connect - User can multiple account while sending we can select one of the acocunt 
✅ Login with Scan  
✅ Login With Pair Code  
✅ Logout 
✅ Reconnect  
✅ Devices  
✅ User Info  
✅ User Avatar  

Send Single/Multiple Message -

✅ Send Image
✅ Send Audio
✅ Send File
✅ Send Video
✅ Send Contact
✅ Send Link
✅ Send Location
✅ Send Poll 
✅ Send Message With Button  


Flow should as follow
UI - Angular App 
Middle - Azure Function [Ui connect with Azure api ]
Node Server - Azure api calls node server api to get / connect 


Main focus on sending messages with different formats 
we dont need any auto responder or any code flow automation 


Ideal Skills:

- Proficiency in Angular 17

- Extensive experience with both Official and Un-Official WhatsApp API

- Skills in implementing scheduled messaging and message templates