fix issue in firebase iPhone application with backend -

I'm , Senior iPhone/Android app full time freelancer developer. I've worked extensively with apps based on iPhone/Android which includes apps for both phone as well as tablets. I've more than 6+ years of experience working on mobile platform and have developed several apps targeting different verticals like social, entertainment, utilities, GPS, gaming etc. Please check the below link. recently i have uploaded latest apps on iPhone and Android (Google Play) market. I hope you like my work. GotFlowers (Available on iPhone and android) [login to view URL] Browze: (Available on iPhone and android) [login to view URL] Faith Media Center : (Available on iPhone and android) [login to view URL] STKNSNAP : (Available on iPhone and android) [login to view URL] back tracker : (Available on iPhone and android) [login to view URL] freejobsnews : (Available on iPhone and android) [login to view URL] FFBlife theFORUM (For iPhone and Android) [login to view URL] SpartanPT : (Available on iPhone and android) [login to view URL] Willing to work Regards,

I am a mobile app developer with 2 years of experience in creating amazing applications for both iOS and Android. Also I have 1 year of experience with Firebase. I would like to hear some more details about the app to develop.