Merchant Payment Processor Development

Job ID: 39706855

Budget: $5,000 – $10,000 USD

I'm seeking an experienced developer to create a payment processing solution for credit/debit card transactions.

Key Requirements:
- Process credit/debit card transactions
- Optionally integrate with PayPal, Stripe, or Square
- Functional on both website and mobile app

Ideal Skills:
- Strong experience in payment processing systems
- Proficiency in integrating with major payment gateways
- Development experience for both web and mobile platforms
- Strong security knowledge to protect transaction data

Please provide your relevant experience and a brief approach to the project.