Advanced Shopify Development - Theme Upgrade and Feature Additions

I'm in need of an experienced Shopify developer to help enhance our current Shopify website. We want to upgrade our theme to create a more user-friendly experience, boost overall performance and bring it in line with our brand's identity.

Key Tasks:
- Implementing a new and modern theme that aligns with our brand's vision
- Adding advanced product customization options: We're looking to allow users to customize colors and select different sizes for our products.
- Enhancing our search functionality: We want users to be able to search by product attributes, filter by categories, and receive search suggestions.

The ideal candidate should have:
- Proven experience working with Shopify, and a strong portfolio of similar projects
- Experience with theme development and customization
- A deep understanding of UX/UI design and e-commerce best practices
- Strong communication skills and the ability to adhere to deadlines
- Experience with search functionality implementation on e-commerce platforms

If you have the skills and experience needed for this project, please reach out with your portfolio and relevant experience.