Modern UI/UX Designer for Super App

I'm looking for a seasoned UI/UX designer to create an engaging, user-friendly interface for my multi-functional Super App focused on:

- Chat
- Payments and Wallet
- Classified
- Ride Hailing

The design style should be modern, appealing without being overly complicated, and suitable for all age groups. Your portfolio should reflect:

- Expertise in modern design principles
- Experience designing for diverse user demographics
- Previous work on multi-functional apps

Please provide examples of your work that align with this brief.