Need java developer who can just run simple java program and modify it little bit

We are looking for a Java developer who can help us with a simple program that needs some optimization. The purpose of the program is to develop a user interface. We prefer Java for this Program. The modifications needed for the program are to optimize The ideal candidate for this job should have experience in Java development and optimization techniques.

I WILL PROVIDE PROGRAM
ALSO PROVIDE PROGRAM BRIEF

IT”S URGENT AND 1 HR WORK