Senior iOS,android developer

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
Android(Kotlin), iOS(Swift), Cross-platform(React Native).

- Web front end
HTML5, JavaScript, TypeScript, CSS, Bootstrap, Material.
Angular7, React.js, Vue.js.

- Back end
MySQL, MariaDB, MongoDB, Reddis.
Nginx + PHP + CodeIgniter, Node.js + Express.
AppRTC, Openfire, Socket.io.
AWS, Docker/Docker Compose.

- Others
WebRTC based audio / video chatting.
XMPP based text chatting.
Facebook, Twitter, YouTube, WeChat SNS integration.

I am not only developing software systems, but also supporting my customers' services.
Here are my experiences to support the service management.

- Deployment
Dockerized deployment to 3rd-party IDC servers and AWS EC2 linux servers.

- Security
HTTPS implementation with LetsEncrypt services.
Json Web Token based API authentication/authorization at front & back end.
Source code protect using Android proguarding, Angular guarding, PHP guarding techniques.

- Monitoring
Front-end(mobile, web) reporting and analytics using Firebase.
AWS monitoring solution and NewRelic based real-time server monitoring.

- Backup
Self developed safe and robust 2-level database and resource backup solution
including same server backup and external server backup.

I want to help any clients with interesting ideas all over the world.

Thank you very much!

Work Terms

I work 40 hours per week.