Simple Android app to back-up sms text messages

I am looking for an experienced Android developper that can help me building a simple three screens Android app to back-up sms data to an online platform. This app has three screens : - A login page - A signup page - A sync page The sync part is the tricky one. You need to design it so that it works in all mobile conditions (poor network, potentially high volume of messages etc..). I have developped a first version of the app. I am now looking for somebody that can bring it up to the next level, making it 100% reliable and operationnal on most Android devices. The Freelancer I am looking for should : - Be experienced in designing Android App (having developped something with text message is a plus). - Quickly identify flaws and propose reliable solutions - Work with me on a private github repo, push his work regularly, comment and explain well his code so as it can be easily re-used and extended - Work fast on small pieces of the project - Meet deadlines If you want to contact me in PM, here are questions that can give you credit : - How do you manage the issue of syncing potentially a high number of messages through the network ? - How would you avoid using content provider to access sms data ? ([login to view URL]) - What's your recommandations / process to make the app available on a maximum android devices ? - What's your recommandation to report bugs, upgrade the app on the playstore