Skilled Flutter App & Laravel Backend Developer needed. Budget $120

I am looking for an experienced Flutter and Laravel API backed developer to integrate these APIs in my flutter app, and also in Admin:

Local Bank Account Creation, Deposit and Withdrawal
- https://lenco-api.readme.io/reference/create-virtual-accounts
- https://lenco-api.readme.io/reference/get-accounts
- https://lenco-api.readme.io/reference/get-recipients
- https://lenco-api.readme.io/reference/get-banks
- https://lenco-api.readme.io/reference/resolve-account


International Bank Account Creation Deposit and Withdrawal
- https://www.ohentpay.com/integration#tag/Virtual-Accounts
- https://www.ohentpay.com/integration#tag/Balances
- https://www.ohentpay.com/integration#tag/Reference-data
- https://www.ohentpay.com/integration#tag/Rates
- https://www.ohentpay.com/integration#tag/Transactions
- https://www.ohentpay.com/integration#tag/Webhooks

The screens are provided and features have to be tested and certified to be functioning fully.

Essential tasks include:
- Developing a robust backend to support essential features
- Designing a user-friendly, aesthetically pleasing interface

Ideal skills and experience:
- Expertise in Flutter and Laravel
- Strong understanding of backend development
- Experience with UI/UX design principles

Please share your portfolio and relevant experience.