UI/UX Overhaul for Point of Sale System and Logo design

I'm seeking a seasoned UI/UX developer to give my point of sale system a comprehensive visual redesign. The goal is to not only refresh the system's aesthetics but also significantly enhance the user experience across several key areas.

Key Deliverables:
- Logo design
- A complete visual redesign of the point of sale system
- Improvements in ease of navigation
- Enhancements aimed at increasing the speed of transactions
- Upgrades to the overall visual appeal

Ideal candidates for this project should have:
- A strong portfolio showcasing previous UI/UX design work, particularly for point of sale systems or similar applications
- Excellent understanding of user experience principles
- Ability to translate complex systems into visually appealing and easy to navigate interfaces.