I have done many out sourcing projects including location based services, video / audio chatting, payment gateway integration, social network service integration and block chain based services and so on. Here are my development skills - Mobile front end - Web front end - Back end - Others I am not only developing software systems, but also supporting my customers' services. - Deployment - Security - Monitoring - Backup I want to help any clients with interesting ideas all over the world. Thank you very much!