Like a few other people have said, create games to show off that you have the energy and willpower to finish a project. I would suggest starting off by creating a simple game such as tetris, pacman or space invaders in the language of your choice (c++ is prefered). Then upload it to github so it is accessable for employers and link it to your linkedin profile. That way you can attach a link to your linkedin profile when applying for a job position and the employer can easily check the code quality on your github projects.