Thanks for posting this job application of Android.
I have gone through your requirements and found that you are looking for an experienced developer who can help you to develop Android Application.
Relevant Skills and Experience
I have good knowledge of using the web REST API,
Google API integration(Maps, Location, Cloud Messaging),
Google push notification and FCM,
An online database for mobile as well as local database,
Proposed Milestones
$29 USD - Done