Mobile App Enhancement & Optimization Expert

I'm seeking a skilled mobile app developer (or team) to enhance an existing iOS and Android application. The app is functional, but it needs fine-tuning and enhancements.

Key Areas of Focus:
- Optimization: Improve the overall performance and efficiency of the app.
- Bug Fixes: Identify and rectify any existing issues.

Specific Optimization Tasks:
- Performance Improvements: Enhance the speed and responsiveness of the app.
- User Interface Enhancements: Make the app more user-friendly and intuitive.
- Code Refactoring: Simplify and improve the existing codebase for better maintainability.

Ideal Candidate:
- Proven expertise in both iOS and Android platforms.
- A history of delivering high-quality mobile applications.
- Strong ability to meet deadlines.
- Experience in improving app speed specifically.