OpenCart Customization and Multivendor Setup

I'm looking for an experienced OpenCart developer to implement and customize an eCommerce site. The project involves several key tasks:

1. Install a theme and implement a modern-designed landing page at mycompany.com with high-quality images, engaging text, and call-to-action buttons.
2. Map the eCommerce theme website to a subdomain: yxy.mycompany.com.
3. Modify existing images and update product details on the site.
4. Customize OpenCart to increase filter categories, including:
- Category
- Manufacturer Country
- Export Experience
- Product Certification
- Management Certification
- Size
- Material
- Packaging
- Free Shipping
- Free Sample
- Price
- Minimum Order
5. Create a multi-vendor platform, changing the brand to "Manufacturer" and updating the page to resemble: https://kaiqipack.en.alibaba.com/productlist.html?spm=a2700.shop_index.88.12.793e4188AmJfV4

Ideal Skills and Experience:
- Proficiency in OpenCart
- Strong web design skills, especially with modern aesthetics
- Experience with multi-vendor eCommerce setups
- Ability to modify and customize existing images and products

Looking forward to your proposals!