Hi.
I am an Android developer with almost 2+ years of experience in Android and 5+ years in Java. I am involved in many Android apps such as a social networking app, a chat app and a sports app. I am very good in doing an SDK for your REST/HTTP calls. Generally, I can make the sdk in an hour using Retrofit/Volley, networking libraries. Well, it is still depends how complex the API is. Also, I have experience with geolocation such as getting the nearby locations/places using haversine formula. I have also previous project with live streaming and VOD service in client-side Android.
I am an expert in doing REST calls in Android. I am well-experience in ordinary REST calls, oAuth, Push Notification, Notification Polling, GCM, and etc. I can also do backend work using Node.JS with sails framework. I can work API for an hour. We can deploy it in AWS EC2.
Here, in you your project, i have similar project before like this so I can easily finish it within the day upon hiring. I can start it now if you told to do so.
You can also see my portfolios but some of my Android apps are not included is due to legal purposes but if you want I can send you a private message regarding this. You can also try me through a paid test if you want.
Thank You Very Much! Hoping to work with you soon.