UX/UI Design for App, Mobile Site, and Website

I'm looking for a talented UX/UI designer to improve the usability of my app, mobile site, and website.

Requirements:
- Improve project's usability
- Enhance user experience and interaction
- Ensure the visual elements of the project are consistent with the brand's identity
- Create a design that is both functional and aesthetically pleasing

Ideal Skills and Experience:
- Proven experience in UX/UI design
- Strong understanding of usability and user-centered design principles
- Ability to create a design that reflects the brand identity
- Experience in creating designs for apps, mobile sites, and websites

Please note that the project's target audience has not been specified. If you have experience in creating designs for various demographic groups, this would be a plus. Note that you will not be required to work on the features and functionalities of the app, mobile site, and website.