Justin is unemployed, despite the fact that he is very skillful. It is implied that he has been a Computer Whiz since high school, and he leans on his capabilities in order to avoid work. This might mean he wants to be self-employed as an inventor. This is proved as his room has a workbench which probably he used to learn his Inventing skill, and that his lifetime wish has nothing to do with any career. He might also earn money by hacking, as he has skills in that field. Nevertheless, players are free to choose what Justin will do.