Mobile App Developer (Andriod and IOS)
I will use Flutter to develop your app. This will provide an Android app and iOS from a single code base. UI layout from design files (Sketch, Mockup, Photoshop), in-app purchases (IAP), social network API (Facebook, Google, Twitter, Instagram), image and photos, video/audio/text-chat support, REST API of any service, develop library for your service with easy and well-documented API, blockchain technologies, geolocation and maps, relational like SQLite and non-relational like MongoDB databases, cloud services (Firebase, AWS), social networks API (Facebook, Google, Twitter, YouTube, etc), Sockets, Android SDK & iOS Kits (Camera, Phone, Contacts, Messaging, Power, Storage, Notifications, Web browser).
I familiar with all modern architectures (MVP, MVVM, BloC, etc) and deep knowledge in OOP and functional paradigms.