Job support for ReactJs and Java

I'm looking for job support for both RectJs and Java. I need someone who can provide immediate feedback, and is willing to work within 24 hours in order to provide troubleshooting, debugging and bug fixing support. This person should have an in-depth understanding of both RectJs and Java with a passion for problem solving and providing exceptional service. The job support should be timely, thorough and professional.

this giig is on monthly basis daily 2 hrs (monday to friday)