Jack, as an employee you are automatically part of the government's pension plan, which is guaranteed to give you enough to live off of in old age independent of how long you paid into it. However, it is generally recommended that you also put some money aside yourself. For that you should talk to your bank, they have a variety of options, some of which are subsidized by the government. As a freelancer you can opt into the government's pension plan or you can do 100% private.
Austin, students typically take jobs during the summer or even during the semester, but as a foreigner on a student visa you must not work more than 90 work days per year, otherwise they think you're here mostly to work
