Shopify Expert Needed for Payment Customization

I'm in need of a Shopify expert to handle payment-related customization on my store.

Key Requirements:
- The main task would be to help integrate a payment method on the Shopify store.
- I'm looking to use one of the standard payment methods available on Shopify (Credit/debit cards, PayPal, Apple Pay).

Ideal Candidate:
- Proficient in Shopify and its payment gateways.
- Experience in customizing payment gateways on Shopify.
- Communicative and able to work with me to achieve the desired outcome.
- Proficient in English for smooth communication.