Dear client, hope this proposal finds you well.
I'm Ammar, a BSc holder in Computer Science, and also have more than 3 years of experience in developing Desktop Apps with Java for **Windows**, which you need, Linux, and Mac.
You can take a look at my Portfolio Items to ensure I have the skills what your project needs.
Just provide me with more details about your project requirements.
-- PRICE AND DELIVER PERIOD ARE NEGOTIABLE --
Best regards
Ammar.