Dear employer.
I checked your requirement.
I am react-native , expo , redux prefessional from China.
I mastered all react skills, alter native android, alter swift code.
Especially I prefer expo with ejecting and customize using native, swift code.
I gone through your payment system,localisation, Verification
This project need like below.
-Register, AddPhoneNumber, ChangePassword, UpdateDeviceToken, AddExternalLogin, Provider, TwilioToken
-i18n
-CreateCustomer, CreateCharge,PayoutCharge, GetCardInfo, GetChargeHistory, GetPaymentHistory
I think 25 days, 6 hours per day, whole budget approximately 1000~1500 USD.
Hope to see you.
Thanks