Professional Google Chrome Extension Developer

need a professional full time google chrome extension developer to create a new extension. Basically, the extension is a WhatsApp message sending extension.

Please refer to the below mentioned extension for more details:

https://chrome.google.com/webstore/detail/promote-route-for-whatsap/lgfomefmfkpdfhndeaaikffjbfobajbg

I need a new extension same as this with a different design and some additional things.