Add functionality - Set polygon plot points on map for businesses location service area

We are looking for an experienced WP developer to: *——* *——* *——* *——* *——* *——* *——* 1. Business directory listing add/edit process *-* requires the option to set the service area of a business as a polygon, (select multiple points on a map to create an area that the business services) to replace the current service area radius setting. *——* *——* *——* *——* *——* *——* *——* 2. Browser to prompt user for their current location. *-* The users location to be used in the business directory search *——* *——* *——* *——* *——* *——* *——* 3. Autofill location for Australian suburbs/postcodes. *-* When a user enters their location in the search form, the form will autocomplete suburbs/postcodes. *——* *——* *——* *——* *——* *——* *——* 4. Search results to return businesses located based on the Polygon service area set in the business directory. *-* This functionality will be changed from the current results based on a service area radius. *——* *——* *——* *——* *——* *——* *——* Change current plugin functionality From:- selecting one location on a map and radius, To:- Select multiple points on a map, to make a polygon. *——* *——* *——* *——* *——* *——* *——* We need the functionality added to business directory location search, That allows the business service area/location to be set as a polygon, not just as a radius. The current business directory plugins I have tried all use a single map location and a radius to set the location of the business service area.