Website Development and Enhancement

I'm looking for experienced website developers to enhance and maintain my website.

The initial focus will be on adding new features such as:
- User account system
- E-commerce functionality
- Social media integration

In addition to adding new features, I also need the following improvements:
- Improving UI/UX
- Optimizing speed & SEO
- Ongoing support

Ideal candidates should have:
- Strong front-end and back-end development skills
- A robust portfolio showcasing similar work
- Experience in UI/UX design
- SEO optimization expertise
- E-commerce site development experience

Please include past work in your application to be considered.