日本と海外をつなぐクラウドソーシング

I am an experienced Mobile apps developer, I have worked on Android (java, kotlin), projects. Worked on Hotel & Restaurant, location based apps, media apps and e-commerce . I have used third party libraries, api's, sdk's.
I communicate with my clients frequently and try to provide as much feedback as possible, that is because software projects constantly change from their primary state or initial idea. Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes Familiarity with RESTful APIs to connect Android applications to back-end services. Strong knowledge of Android UI design principles, patterns, and best practices Experience with offline storage, threading, and performance tuning Ability to design applications around natural user interfaces, such as “touch” Specialties:- Java, Android Development, Kotlin,php,HTML,JavaScript,ASP.Net,C/C++ MySQL