Need Help for $$ ASAP in MVC / threads / server-client chat / JavaFX

[Wizard Shop]

need help in Java and MVC and MVVM patterns, also has a good understanding in threads/communication between classes/JavaFX etc... I don't mind paying if it is really helpful, thank you, sorry for posting here but I am in a very stressful situation, I am building a client-server chat with GUI for a project and I really need help ASAP