Java developer for to work on a calculator

I am looking for an experienced Java developer to help me create a calculator that will have basic arithmetic operations. I need a simple and minimalistic user interface design and the project must be completed within 1-2 days. The ideal candidate should have extensive experience in Java and developing user interfaces. If you have any experience in similar projects, please include this in your application. I am looking for someone who is reliable and can deliver the project within the given timeframe. This is an urgent project, so prompt responses and efficient communication will be highly appreciated. I look forward to hearing from you.