Java RESTful Web Service for Banking App

I'm looking for an experienced Java developer to create a secure and efficient RESTful web service for a banking application. The service will primarily handle payment processing.

Key requirements:
- Support for multiple payment methods: Credit/Debit cards, Bank transfers, Digital wallets
- Ensure robust security and data protection

Ideal skills and experience:
- Strong proficiency in Java and RESTful web services
- Experience with payment processing systems
- Knowledge of security protocols and data encryption
- Previous work on financial or banking applications is a plus

Please provide relevant experience in your bids.