Wordpress expert to add forms features to existing wordpress theme site - must be Wordpress/plugins/PHP coding expert

I need a and PHP expert in wordpress -- PHP 5/7 is a must and you must know how to work with WORDPRESS api's and pluginbs You must be able to code in wordpress php!!!!!!!!!!!!! I need a website fixing , enhancing and improving with new features... (Budget: $250 - $750 USD, Jobs: CSS3, PHP, Web Development, Website Design, WordPress)