Secure Payment Gateway Development -- 2

I'm seeking an experienced developer to create a secure payment gateway for handling online credit card transactions. The gateway needs to integrate with e-commerce websites, mobile apps, and subscription services.

Key Requirements:
- Handle online payments exclusively
- Integrate with e-commerce platforms, mobile applications, and subscription services
- Implement robust security features:
- Fraud detection
- Data encryption
- Two-factor authentication

Ideal Skills and Experience:
- Proven experience in developing secure payment gateways
- Strong knowledge of integration with various platforms
- Expertise in implementing advanced security measures
- Familiarity with the latest compliance standards in payment processing

Please provide examples of similar work and your approach to ensuring security and integration.