design and code modification for the web application hosted on AWS server

I'm seeking a professional who can implement both design and functional coding changes on my web application hosted on an AWS server.

Key Responsibilities:
- Update the design elements of the web application, improving its overall user experience and interface
- Implement necessary coding changes, which may include bug fixes, adding new features, and performance optimization

Ideal candidates should possess:
- Extensive experience with AWS and web application development
- Proficiency in both design and coding
- Excellent problem-solving skills for debugging and performance optimization
- Creativity and a keen eye for design to enhance the user interface