Wallet + Merchant + Api

I am looking for a freelancer to develop a wallet system with basic features for sending and receiving transactions. Additionally, I need integration with a payment gateway for merchant purposes. The project also requires integration with a payment processing API.

Ideal skills and experience for this job include:
- Proficiency in wallet development and understanding of basic wallet features
- Experience with integrating payment gateways for merchant integration
- Familiarity with payment processing APIs for seamless transactions