Magento 2 Wallet Extension Implementation

We are looking to implement the Digital eWallet Magento 2 extension to provide Union Coop customers, Wallet System will allow the customers to make the online payment. The customers can select the Wallet System payment method at the time of checkout process. They can easily add credit amount, transfer money, view transaction details in Wallet System. In addition customer can also do the refund to its account using the wallet money.

Magento Developer who has past work experience on implementing eWalltet can apply for this project. Please provide your previous projects specifically for Digital/ eWallet for Magento. Also provide the implementation timeline as well.
Magento Version is 2.4X