React-Based Mobile Productivity Tool Creation

I am looking for a seasoned developer adept in React to build a mobile productivity application.

Key features:
- The application should be built for mobile platforms.
- The core function of the application revolves around soccer.

Ideal Skills:
- Proficiency in React and mobile app development.
- Prior experience building productivity tools.
- Passionate about soccer.

Please provide examples of similar projects you have successfully completed.