Marketplace E-Commerce App and Site Design - Design only no development

I'm looking for a talented designer to create a clickable app design and a full design for a buyers and vendors storefront website. The app and website should be accessible on iOS, Android, and Web platforms.

Core functionalities must include:
- User profiles and authentication
- Product listings and search
- Shopping cart and payment integration

I'm looking for a bright and colorful design theme.

Ideal Skills and Experience:
- Experience in UI/UX design for mobile and web platforms
- Strong portfolio showcasing bright and colorful designs
- Proficiency in design tools like Figma or Adobe XD
- Knowledge of e-commerce functionality and user experience

Please provide examples of previous similar work and an estimated timeline for project completion.
Check attached zip
Price to be discussed