Website Enhancement with E-commerce

I'm looking to add new features to my website, specifically e-commerce functionality and a contact form.

E-commerce functionality needs:
- Links to products or services
- Integration of a business email
- Changes to existing pages to accommodate the new features

Ideal Skills & Experience:
- Web development expertise
- Experience integrating e-commerce functionalities
- Familiarity with contact form setup and page modifications

Please provide examples of previous work.