Full Stack iOS/Android Native developer My specialisation: UI layout from design files (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, geolocation and maps, relational like SQLite and non-relational like MangoDB databases, cloud services (Firebase, AWS), social networks API (Facebook, Google, Twitter, YouTube, etc), Android SDK & iOS Kits (Camera, Phone, Contacts, Messaging, Power, Storage, Notifications, Web browser). I prefer to use Gradle as a built tool, Git as control version system, JUnit as testing framework. For testing purposes, I use a set of devices: iPhone, iPad, Samsung Galaxy, Meizu, and some others. They cover Android version from 2.3.3 to 10 and iOS from 11 to 13 and screen sizes from small 4-inch phones to 10-inch tablets. For every client, I propose my ideas about how to improve, make more profitable client iOS/Android application. It is important for me to build good relationships with clients. I am ready to discuss requirements and communicate with you or your team via video-chat. Additionally, I can help you create technical and business requirements to the application if you don't fully understand which features you want.