Vibrant Mobile App UI Design

I'm looking for a talented UI designer to create vibrant and engaging screens for a mobile app targeting both iOS and Android platforms.

Requirements:
- Design screens for various app functionalities
- Ensure a cohesive and intuitive user experience
- Use a colorful and vibrant design style

Ideal Skills and Experience:
- Proven experience in mobile app UI design
- Strong portfolio showcasing colorful and vibrant designs
- Familiarity with both iOS and Android design guidelines
- Proficient in design tools like Sketch, Figma, or Adobe XD

Please include samples of previous work in your bids.