Zhang Xing Long

I have been working as senior mobile developer for 9+ years and specialized in outsourcing of flutter and android app for 3+ years.

My knowledges of flutter frameworks and native android, JAVA and DART programming skills will help your projects

completed with your timeline and on time.

Till now I have been completed 20 + android and iOS apps based on native android and flutter.

Flutter skills:

• Common architecture design pattern(BLoC, Provider, ScopedModel, Redux)

• Programming languages(Dart, Java, Kotlin, Swift, Objective C)

• Standard Mobile Frameworks(In-App Purchases, Maps, Camera, Push Notifications, Apple Pay etc.)

• Third-party SDKs(Facebook, Twillio, Agora.io, Stripe, Google maps etc.)

• Backend and Database(PHP, Firebase, MySQL, NoSQL, MongoDB, SQLite)

• Material Design theme

• Background service and broadcast receivers

Native Android Skills:

• IoT development(AWS, Azure, Tuya etc.)

• MQTT communication

• WiFi & BLE intergrating

• RestAPI

• JSON/XML data formats

• Database (SQLite) / Caching algorithms

• Push Notifications

• Payment processing (in-app purchases, subscriptions)

• Social integration (Facebook, Twitter, Google)

• Cloud storage integration (Google Drive, Dropbox)

... ...