FOUR Sport Bet Website Development

I require a seasoned developer to create and publish four fully operational sports betting websites. The project should be developed from HTML, utilizing FLUTTER and REACT J, and necessitates the integration of a Sportbet API. Please note, this is a results-oriented job - no work, no pay.

Key Features:
- Implementation of live betting
- Incorporation of betting tips
- Development of user accounts

Sports Involved:
- Football
- Basketball
- Tennis

Platform Compatibility:
- Websites should be compatible with Web, iOS, and Android

Ideal Skills:
- Proficiency in HTML, FLUTTER, and REACT J
- Experience with Sportbet API integration
- Previous work on sports betting websites

The seriousness of the worker is paramount for this project.
AND NO WORK, NO PAY