I am a professional iOS application developer and I have 4+ years of experience in mobile application development. I have also a small team of Android, PHP, and java. We are working in a group. We are develpoed so many application and upload on appstore and play store. I have developed so many android and ios and web services. My main skills are iOS and android and web programming but also almost IT technique problem-solving. - Mobile development ? Native iOS, Android(Objective-C, Swift, Java) ? Mapkit, GPS, API(JSON, XML, Rest API) integration ? Firebase, Back4app, Urban, Amazon, Lex, S3, EC2, Twilio, Azure, Social Integration, Backend development. ? Live chatting, Chatbot