Integrate ONDC-Compatible Delivery Services

I need a developer to integrate delivery booking and tracking services into our PHP CodeIgniter, MySQLi-based buyer-seller marketplace website. We want to use ONDC-compatible logistics providers like Shiprocket and LoadShare.

Key features needed:
- Real-time tracking
- Shipping cost estimation
- Automated label printing

The user interface should be a popup modal on our site.

Ideal Skills & Experience:
- Strong experience with PHP, CodeIgniter, and MySQLi
- Previous experience integrating logistics or delivery services
- Familiarity with ONDC standards and protocols
- Proficient in creating responsive popup modals

Please provide examples of similar work done.