existing mobile application with changes and additional features

I am looking for a skilled and experienced mobile application developer to make changes and add new features to my existing mobile application.

Specific Changes and Additional Features:
- I need new functionality and features implemented in the app
- UI/UX improvements to enhance the overall user experience
- Bug fixes and performance optimizations to ensure smooth operation

Functionality and Features:
- I have a rough idea of the functionality and features I want, but I am open to professional input and suggestions

Timeline:
- The implementation of these changes and features is urgent, and I need them completed within 1 week

Skills and Experience:
- Proven experience in mobile application development
- Strong UI/UX design skills
- Proficiency in bug fixing and performance optimization
- Ability to work on a tight deadline and deliver high-quality results

If you have the necessary skills and expertise, and can complete the project within the specified timeline, please submit your proposal. Thank you.