Payment Gateway Development

I need a payment gateway system similar to Stripe that integrates with Visa and Mastercard. This will be used to integrate into a web service or platform.

Key Requirements:
- Support for recurring billing/subscriptions and one-time payments
- Only one currency needed

Ideal Skills and Experience:
- Experience with payment gateway development
- Proficiency in secure payment processing
- Knowledge of integration with Visa and Mastercard
- Familiarity with recurring billing and subscription models
- Strong understanding of web service/platform integration