Shopify App with Trackier Integration

I need a skilled Shopify app developer who can develop an app with specific functionalities for my Shopify store. Here's what's required:

- Integration with Trackier Performance Marketing: The app must seamlessly integrate with this third-party application, enabling the effective tracking of marketing performance across numerous other brands on Shopify.

Key Skills and Experience:
- Expertise in Shopify app development.
- Proven experience with third-party app integration, notably Trackier.
- Excellent track record in creating apps with seamless functionality and user-friendly design.

Your application should showcase your experience in this domain, particularly in relation to app integration. Links to prior work, including any apps developed with third-party integration, would be greatly appreciated.
{PRD is attached}