Ying X. expert freelancer in Android, iOS, PHP

I have 7+ years of experience in Mobile & Web & Desktop Software development.
1. Mobile Skills:
- Native app development: Java/Kotlin, Obj-C/Swift;
- Hybrid app development: React Native, Ionic, PhoneGap;
- Cross-platform app development: Xamarin, Flutter, Dart;
- Web service integration: Restful/SOAP API;
- Messaging platform: XMPP Chat server, Pubnub, Quickblox, WebRTC
- Third Party integration: Google Cloud Platform, AWS, FireBase;
- Payment GateWay: Paypal, eWay, Stripe;
- Computer Vision, Image Processing, OpenCV, OpenGL, AR/VR
2. Web Skills:
- PHP, HTML5 ,CSS3, BootStrap;
- WordPress, Ecommerce, Woocommerce, Magento;
- CodeIgniter, Simfony, Laravel;
- MongoDB, AWS, Gulp, Firebase
- Template Language, Shopify
3. Desktop Application Skills:
- C++, C#, VB.NET, VBA, Qt
- OCR: Tesseract;
- SQL, XML
- Algorithm, Math, Machine Learning, Signal Processing
4. Game Developer
-  Unity3D, DirectX, Cocos2D

Please kindly touch me here and get success from there!

Thanks.

I have rich experience and expertise to develop/port/fix/refine mobile apps and web back-end/API .
You would be able to confirm this my words by checking work history and portfolios from my profile.