Astro AI Backend Optimization

I'm seeking a skilled backend engineer to fine-tune the Astro AI platform. The project involves performance optimization, bug fixes, and implementing new features.

Primary goals include:
- Reduced response time
- Increased throughput
- Lower resource usage

The platform is built using Python, so expertise in Python is essential. Ideal skills and experience:
- Backend development in Python
- Performance tuning and optimization
- Experience in debugging and resolving complex issues
- Ability to implement new features based on project requirements

Please provide examples of similar projects completed and your approach to achieving the specified performance metrics.