Source code editing for Bigcommerce website

I am looking for a skilled freelancer to edit the source code of my Bigcommerce website. The specific changes I need made are related to the design/theme of the site. I have a reference design in mind that I would like the freelancer to work with. The level of complexity for the design changes is minor tweaks.

Ideal Skills and Experience:
- Experience with Bigcommerce website development
- Expertise in source code editing and customization
- Strong understanding of design principles and aesthetics
- Experience with implementing design changes on e-commerce websites
- Excellent communication skills to ensure clear understanding of project requirements and timely delivery of work.