WordPress WooCommerce E-commerce Website Development

I'm looking for a professional web developer to create a WordPress (WooCommerce) based E-commerce website for me. The website is intended to sell both physical and digital products.

Key Requirements:
- Extensive experience with WordPress and WooCommerce
- Ability to design a user-friendly, secure and responsive E-commerce platform
- Expertise in integrating payment gateways, shipping modules, and digital product delivery systems
- Skills in SEO optimization and mobile compatibility considerations
- Knowledge of E-commerce best practices and trends

Please provide a portfolio of similar projects you've completed.

The website should have a modern and sleek design.