All Services Programming & Development backend developer with core php $8/hr · Starting at $25 i'm good in backend developing with using core php. i have good knowledge of my sql database. i can also work with android api . About $8/hr · Ongoing Download Resume i'm good in backend developing with using core php. i have good knowledge of my sql database. i can also work with android api . Skills & Expertise Android APIAPIBack End DevelopmentCore PHPPHPSQL 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts PHP DevelopersCore PHP DevelopersBack End DevelopersSQL DevelopersAndroid API Developers