Cross-Platform Marker-Based AR App Development

I need an experienced AR developer to create a marker-based augmented reality application for both iOS and Android platforms. The AR experience will be triggered by markers on physical objects in the environment.

Key Requirements:
- Develop an engaging and interactive AR experience
- Create and integrate 3D models and animations
- Ensure high performance and responsiveness on both platforms
- Conduct thorough testing and debugging
- Provide detailed documentation

Ideal Skills and Experience:
- Proficiency in AR development tools (e.g., ARKit, ARCore)
- Strong background in 3D modeling and animation
- Experience with mobile app development for iOS and Android
- Knowledge of Unity or Unreal Engine is a plus
- Excellent problem-solving skills and attention to detail

Please include examples of previous AR projects in your bids.