E-commerce Shipping Integration on Wix

I'm looking for an experienced developer to set up shipping for my e-commerce store on Wix. I need to integrate FedEx, UPS, and DHL as shipping carriers. Additionally, I require real-time shipping rate calculations at checkout.

Requirements:
- Experience with Wix e-commerce platform
- Proficiency in integrating multiple shipping carriers
- Ability to implement real-time shipping rate calculations

Ideal Skills and Experience:
- Prior work with Wix and shipping integrations
- Familiarity with FedEx, UPS, and DHL APIs
- Strong problem-solving skills and attention to detail

Please provide examples of similar work and estimate the time required for completion.