Experienced PHP programmer needed longterm

For my new classified-project i need a experienced php webdesigner for 3. changes: 1.) Change the WYSIWYG-Editor to another one because the customers must make the new or edit classifieds bold ..... 2.) Extend the database and 1 or 2 pages with the new field. 3.) Insert a google maps code from another script into this script and give the customers the chance to use it (search by choose point not by street) Kind regards for your offers Bob