Hello,
As you are looking for an android developer in order to fix the backend of an android app, well I can assist you with the same.
I am having more than 5 years of experience in technologies such as Core Java, OOPS, Android Development, Eclipse, Android Studio, Web Services, Social API Integration, Parse Integration, Google API, Google Maps, Google Analytics, OTP verification, 3rd Party API, JSON Parsing, XML Parsing, Custom Camera, Push Notifications.
Can you please provide the link to your application along with the source code? as I can review it and get back to you with the solutions for it.
Do let me know your best available time for a chat as we can show our prior works as well as other relevant skills to you.
Looking back to hear from you soon.!
Warm Regards,
Harshad Patel.