Hire a Software Developer

Hello, i have a project that im working on, its an application i am building currently for Mac, i need help cleaning the code, because the code is a mess, its a poor code, also i need a new design and improvements on some features, i would like to add some more features, but i need someone who understands AI, i want to implement it too, also it has some animation(cartoons on login), the environment im using is(Qt Creator 4.2.2 Based on Qt 5.8.0 (MAC sierra), C++, and Mysql).