Modern Minimalistic Tea Delivery App Design -- 2

I'm looking for an experienced app developer end to end to create a modern and minimalistic tea delivery app for both Android and iOS. The app should include:

Core Functionalities:
- Ordering and payment system
- Vendor coordination for tea delivery
- User reviews and ratings

Ideal Skills:
- Proficiency in app design for both Android and iOS
- Experience in creating modern and minimalistic user interfaces
- Strong understanding of integrating ordering, payment, and vendor coordination systems
- Ability to implement user review and rating features

Please provide a portfolio showcasing similar projects. Looking forward to your bids!