Integrate payment gateways for Shopify

I'm looking for a skilled developer to a payment gateway into my Shopify store. The primary requirement is to enable one-time payments, but I also want the flexibility to offer both custom and predefined subscription plans in the future. Additionally, it's crucial to have multi-currency support to cater to a global customer base.

Key Requirements:
- Integrate payment gateway for one-time payments
- Set up infrastructure for future subscription plans (custom and predefined)
- Ensure multi-currency support for international transactions
- Seamless integration with the existing Shopify store

Ideal Skills and Experience:
- Experience with Stripe payment gateway integration
- Proficiency in Shopify development
- Knowledge of multi-currency transaction handling
- Strong understanding of e-commerce payment systems and security

I'm eager to enhance my store's payment capabilities and provide a smooth checkout experience for my customers. If you have the expertise to bring this project to life, I look forward to your bid!