Hello,
I HAVE GONE THROUGH YOUR REQUIREMENTS AND YOU NEED " instagram, facebook, snapchat ,whatsapp " AND I HAVE SIMILAR APP YOU CAN CHECK GIVEN BELOW PLEASE.
I have 5 years of experienced on mobile application (Android + iphone ) and App admimn with development web services where admin can manage the app from backend ,I have developed the Dating App,
chat with video calling TAXI apps, google map , Event App, Jab Potal App and other apps with clients need .
I would approach your project by starting with wireframes and getting the design completed, before starting the actual development phase. Regarding your project if you have any reference or if you have already created a doc then please share with me so I can check and proceed in right momentuim As concern for my skills please take a look on my past work .We have already created more than 300 Apps and around so far .
Please share more details to check and discuss .
Looking forward with more details
Thanks
Technorizen