I need a React Native + NodeJS developer on an hourly basis

The applicaiton is a complex application that uses some of the following things;

- GPS
- Background sync of data and offline application operation (Re-syncronising when back online)
- Complex data relationships

Please bid if you are comfortable with complex requirements and thoroughly test your code.

Also, Skills Required;

- Good understanding of English
- React Native Apps
- ReactJS App
- NodeJS & ExpressApp
- PostGresQL

I'm a developer with too much work and looking for someone to work with well into the future :)