Fix AR App Tracking

I need an experienced AR developer to fix a functional bug in my AR app. The app has issues with interaction and is specifically struggling with tracking real-world objects.

Key requirements:
- Fix tracking issues with real-world objects
- Ensure accurate AR object placement and interaction

Ideal skills and experience:
- Proficiency in AR development, especially with Unity or ARKit/ARCore
- Strong problem-solving skills
- Experience with 3D object tracking and environmental interaction

Please provide examples of similar work done.