Hi
Dont worry as per your requirement I will be able to fix all the issues of your app as well as your backend side.
I have knowledge of Xcode IDE(Objective-C), Swift, Eclipse IDE, Android SDK, ADT Plugin, Java Programming, JSON, XML, Utility APIs, MySQL and SQL server database, super level UI design and much more.
I am proficient in PHP, CodeIgniter, WordPress, MYSQL, HTML, CSS, JAVASCRIPT, JQUERY and AJAX and designing through Adobe Photoshop, API, SSL, AWS, Linux and network administration, HTML, , open-cart, Mysql, database,laravel, CSS2/3
Please come to chat for further discussion.