E-commerce WordPress Site Development

I'm seeking an experienced WordPress developer to create an e-commerce site. The site will be used to sell physical products.

Key requirements include:
- Setting up a secure and user-friendly e-commerce platform
- Integrating payment methods: Credit/Debit cards, PayPal, and Bank transfers
- Designing an attractive, responsive layout that enhances user experience
- Implementing necessary security measures to protect customer data

Ideal skills and experience:
- Proven track record in developing WordPress e-commerce sites
- Strong knowledge of payment gateway integrations
- Expertise in responsive web design
- Familiarity with security protocols for online transactions

Please share your portfolio and relevant experience.