Shopify Expert for E-commerce Store

I'm looking for a seasoned Shopify developer to help create an E-commerce store tailored to selling physical products. The website should be designed in a traditional and professional manner, reflecting my brand.

Key features to be integrated:
- Product search functionality
- Shopping cart with secure payment gateway
- Customer registration and login functionality

Ideal Skills:
- Proficiency with Shopify’s templating language – Liquid
- Understanding of the latest E-commerce trends & design principles
- Experience integrating secure payment gateways
- Proficiency with coding: HTML5, CSS3, and JavaScript.

Please provide samples of past work, especially Shopify sites you've developed with similar features and design preferences.