Android Application - API Integration

I am looking for a part-time android programmer who can work on my project for a month. His job is to fix some of the existing bugs, design new screens, implement functionality, write APIs in PHP and integrate few of the existing APIs in the app. About my app : App Category : Healthcare (Design for practicing doctors) Status of the APP : 80% of the screen design is over Functionality : 30% functionality is implemented APIs : 12-15 APIs are already there developed and 8 - 10 APIs were also integrated. Things to do : 1. Integrate the existing APIs into the app 2. Fix the existing bugs 3. Design 7-8 new screens includes (Design, API development, API Integrations, DB Interfacing, Form Level Field Validations) 4. Google Maps API integration for location services 5. Data Synchronisation between Clint DB and Server DB Initially I need this programmer for a month, later based on his quality of work and performance, I may extend his period for 3 to 4 months or more than that as we have couple of more projects to work on.. Note : The programmer has to work on my system directly using the Team Viewer. This is must. For new screens design, develper can use you local resources. I am looking for an experience programmer who is good in latest android studio, genny motion, developing APIs in PHP, Google APIs and SQLite db. He should be familiar with structured coding, debugging and deployment procedures. No experiments on my project. Only genuine experience and interested programmers are requested to quote.