Car Rental Website & App Development

I'm looking for an experienced developer to build a car rental website and Android app. The platform should be built using JavaScript or React.

Essential functionalities include:
- Online booking system
- User account management
- Payment gateway integration

The user interface should be minimalist.

Ideal skills and experience:
- Proficiency in JavaScript and React
- Experience with online booking systems
- Strong background in UI/UX design with a minimalist approach
- Familiarity with payment gateway integrations
- Experience in developing Android applications

Please share your portfolio and relevant experience.