Modern UI Design for App

I'm looking for a skilled graphic designer to create a modern user interface for my app. The design should be minimalist yet sophisticated, aligning with contemporary design trends.

Key Design Elements:
- Navigation bar
- Icons
- Buttons
- Splash page
- Dashboard
- One additional page

Color Scheme: The app's interface should utilize a palette of light blue, black, purple, and grey.

Ideal Skills and Experience: The perfect candidate for this project should have a strong background in modern graphic design, particularly in crafting user interfaces for mobile applications. A keen understanding of minimalist design principles, paired with the ability to create visually appealing and user-friendly designs, is essential. Experience in working with the specified color scheme and creating the listed UI elements will be highly advantageous. Please include a portfolio of relevant work with your proposal.