Please build my website to a e-commerce website with all functionalites.

I am looking for a skilled web developer to build my e-commerce website using Shopify. The ideal candidate should have experience in Shopify development and be familiar with its platform and functionalities.

Key requirements:
- Develop a fully functional e-commerce website using Shopify
- Integrate a payment gateway for secure online transactions
- Implement shipping options to enable product delivery

Skills and experience:
- Proficiency in Shopify development
- Experience in integrating payment gateways
- Knowledge of shipping functionalities within Shopify

Please provide examples of previous e-commerce websites you have developed using Shopify, along with any relevant certifications or qualifications.