Dear Concern,
Greetings of the day !!
From your Job description, I have understood that you need to redesign homepage and product page, integration on Big Commerce.
-- Yes I am available for your work.
I have experience in Bigcommerce, Web design, Layout design, HTML, CSS, Theme and plugin customization, UI/UX design and a good eye for design.
For Cost & estimation: I would like to discuss on some of queries regarding your Job posting so that I can give you my best & exact quote.
So, Let's connect over next round of interview to know more about each other & specification of your project.
Thanks