Fintech App with Spring and Hibernate

I'm seeking an experienced coder versed in Spring framework and Hibernate to create my fintech application.

The application will primarily cater to the following needs:
- Fintech Capabilities: The key purpose of this application is to assuage fintech needs such as payment processing and account management.

Functionalities: The application is expected to handle:
- Payment Processing: To ensure smooth transactions within the app, it should support payment processing.
- Account Management: Users must be able to handle their finances with features enabling savings and checking account management.

Ideal Experience:
- Proficiency in Spring Framework and Hibernate
- Previous fintech application development
- Understanding of payment gateways and account systems.