Website Design and Content Overhaul

I'm looking for an experienced Shopify web developer to help modify and complete my template for our existing site. Ours is outdated and needs a new fresh look. The project involves making a few modifications in functionality to the template we chose, along with adding some bells and whistles such as pop-up newsletter sign up, bundling at checkout, implementing Shopify's subscription program to our products.

Key Requirements:
- Update website content as per specifications
- Ensure overall functionality and user experience is in perfect running order

Skills and Experience:
- Proven track record in web development
- Strong design sensibility
- Excellent content management skills
- Ability to improve website functionality