Rezdy development (only available to employees of Rezdy)

I'm seeking a developer, who must be currently employed by Rezdy to enable a solution for this feature request [login to view URL] The requires the ability to add a custom field which empowers a customer to fill a multiline text field with their own content. I am paying a fixed fee of $1500. A previous offer of free quad bike rides is not included. Commensurate a say payment is dependant on the feature being made live and before the end of October.