Hi there,
I've read your description and I'm very interested in your app idea.
I have 5+ years of experience in mobile & web development in many areas like:
Android,iPhone,Django,Python,PHP,HTML,HTML5,Java,Javascript,Swift,Objective-C,Reactjs,Nodejs,etc.
Even though I don't have any work history on this site yet, I have already got full experience in many different areas as shown in my profile.
I can complete your project with high quality on time satisfying your requirements fully.
I appreciate you read my proposal and reply to me.
Best Regards.
Ruslan