Custom Self-Hosted Payment Gateway Development

I'm in need of a seasoned developer to design a custom-built, self-hosted payment gateway for my business. This gateway must support both recurring and one-time transactions, as well as multi-currency transactions.

Key Features:
- Support for recurring payments
- Capability for one-time transactions
- Multi-currency support

Security:
- The gateway must incorporate top-notch encryption measures to ensure secure transactions.

Ideal Skills:
- Extensive experience in developing payment gateways
- Proficiency in implementing multi-currency support
- Strong understanding of encryption techniques for secure software development
- Knowledge about recurring and one-time transaction systems

If you have a strong background in these areas and can deliver a top-quality product, I would love to hear from you.