Since the launch of new controller - UISearchController - the visual controls have been removed. This new controller requires to initialize and configure programmatically, but this is not a difficult task.
And I have also written a tutorial to demonstrate on How to Create iOS Custom Search Bar Using UISeachController.
If you face any issue implementing it, you can contact me for help. Also, if you want to implement this feature in your iOS app and looking to hire swift developer to help you, then you can contact Space-O Technologies for the same.