Dear sir!
I am mobile app developer.
I reviewed your job description.
So I thought I can develop your project.
I have following experience for your project.
Uploading pictures & videos to AWS, Integrating Payment Gateway, push notification, and other app functions(instant details editing, recognizing user name and password, map, calendars, reviews, ratings, ...).
You can check apps on my portfolio.
If you give me your project, I will finish successfully in 30 days.
I hope to discuss about milestone with you.
Looking forward to hear from you.
Thank you.
Regards.
ZengYi.