Comprehensive UI/UX Design & Testing Expert Needed

I'm looking for a versatile and experienced UI/UX designer who can work on a variety of design tasks with high quality. The primary deliverables will include:

- UI/UX for our website and apps (across Web, iOS, and Android)
- Designing brochures and posters
- Creating presentations

The main goal of the UI/UX design is to improve the design and usability of our digital platforms. Therefore, the ideal candidate for this project should have a deep understanding of user-centered design principles and usability testing methods.

Skills and experience required:

- Proven experience in UI/UX design for web and mobile apps
- Proficiency in designing print materials and presentations
- Strong focus on improving usability
- Familiarity with modern design trends
- Experience in conducting design testing tasks