Shopify Store Development Expert Needed

I need a seasoned Shopify developer to enhance my online store's functionality. The focus will be on ensuring smooth operations of the Shopping Cart & Checkout system, streamlining User Accounts & Profile Management, and integrating advanced Search & Filters. Additionally, adeptness in integrating payment gateways - specifically PayPal and Stripe, is required for seamless transactions. Ideal candidates should have a proven track record in creating efficient, user-friendly Shopify stores. Proficiency in e-commerce website development, advanced knowledge of Shopify platform and experience with popular payment gateways are key to this role.