Implement Browser plugin to grab data from current page and do a post on demand

we search for a very experienced chrome plugin developer for implementing one plugin
(later to provide for more browsers too)

The plugin shall activate only on specific domains and grab details from a product/service listing page.
This grabbing occurs only on hovering over a given product. As a Q question answer the formula in your bid

On hovering a popup opens after a deferred time about 500ms
on popup following page data is getting grabbed
- URL of the product
- product ID
- review count
- stats of the product (will be shared)
and displayed in the popup

in parallel to the popup
a REST API is getting called with a POST and containing all details which have been grabbed

Additionally some details shall be modifiable on the popup like:
- personal 1<selectBox>
- personal2 <selectBox>
- a submit personal

after submit the additional details are getting posted too, with the same previous api call

support required (in decreasing priority)
- chrome
- firefox
- edge (shall not be that tricky due to chrome)
- safari
- chromium (shall not be that tricky due to chrome)

MS1:
- implement a first MVP/POC for chrome as explained above

MS-later (not part of this bid)
- provide changes
- implement for other browsers too
- formula 24/8

Budget
will not be disclosed place best bid to get considered

Delivery:
- in our git (access will be shared after award)
- clean coding in terms of javascript common coding standards
- available unit tests, to run tests for backend calls