Fix Shopify Shipping Zone Issues

I'm looking for an experienced Shopify developer to troubleshoot and fix issues with my shipping settings. Currently, my shipping zones are not working properly, which is causing incorrect shipping rates to appear on the checkout page.

Key Requirements:
- Identify and resolve shipping zone issues
- Ensure correct shipping rates are displayed at checkout
- Experience with Shopify's shipping settings and zones

Ideal Skills and Experience:
- Proficient in Shopify platform
- Strong understanding of shipping configurations
- Problem-solving skills and attention to detail
- Previous experience with similar shipping issues on Shopify

Please provide a brief overview of your relevant experience and approach to solving this issue.