Hello, I have more than 10 years experienced develop web, back-end, API and 4 years develop iOS, Android App, I will help to review the iOS source code, refactor exist source code for you, and implement strong back-end exchange data with the web and mobile App via API, I have rounded knowledge to adapter what you need, and willing to daily meeting to discuss the solutions. I am looking forward to hear from you. Regards, Tan