Tracking Mobile Application

I need to find an experience and good communication programmer for the development of my mobile applications. It is a calendar to track on the pregnancy and baby due date in bilingual, English is core. A portal like this [login to view URL] plus mobile app like these two [login to view URL] [login to view URL] Please show us your past references in mobile applications and similar projects, and your ideas on how will you best deliver this to us, the platform, time frame, best and easiest database storage means, features and the like etc?. This is a project based and we need a clean documentation and workable source code (bug-free).