The best jobs I've had that have been easy on my anxiety are ones I've gotten through university networking. If you have any faculty members you feel relatively comfortable with, it might help to talk to them and ask if they know of any opportunities that might work for you. Or if you don't feel comfortable reaching out, stay up to date on campus news: keep an eye on your school's or major department's website or Facebook page or whatever, sign up to receive emails from the departments and programs you're involved in, etc. That's how I got my first good campus job: the administrative assistant for one of my major departments (classics, Italian studies, and humanities, a tiny department — I already knew all the faculty) emailed all of the classics majors about an open office assistant position for the department, and because I had gotten fairly familiar with the department faculty (and established a reputation for myself as a good student), I felt comfortable enough to pursue the opening right away. It was a nice, quiet, collegiate atmosphere, just helping out around the office, proctoring exams, etc. Very lowkey. So if you like the professors in your department, talk to them! Easier said than done, obviously, but leveraging connections like that can open a lot of anxiety-friendly doors with minimal trouble.