Yes, I agree to find one that doesn't involve much interaction with people - you'll have more peace. When I was 19 and started having jobs, I went through the same feelings as you.
And so, I ended up getting jobs anyway with social interaction (cashier was one of my first job), and it was awful and even worse than I had imagined. All my SA fears came real.
laughs
And so, later I got more jobs involving social interaction with people (project manager in an office setting, etc.), and again, same awful experience because of lack of peace and fulfillment due to dealing with so many people, including very mean aggressive people. I underestimated how many truly nasty negative bully people there are in this world, and in the professional world especially. 😅
So, now at age 26, I've realized that - despite my best efforts to overcome SA and despite therapy and trying to work with people - I realized that just don't like jobs that involve a lot of social interaction, because I dislike dealing with competitive aggressive nasty people (of which there are many, and they can somehow sniff out anxious folk and target them).
Such work environments have been raising my anxiety on a daily basis for years, resulting in major dissatisfaction and lack of peace, which then affects my job performance also. I've realized now that it's best for me to accept my socially anxious nature and to get a job where I am working alone or with a group of extremely kind people.
For this reason, I recently quit my office job to pursue PhD studies.

Ideally to work as a researcher and possibly professor.
Maybe your experience will be different than mine - depending on how your SA uniquely functions for you and the unique aspects of your personality. My main advice (from this 26 year old perspective now is-): KNOW YOURSELF, ACCEPT YOURSELF, ACCEPT AND EMBRACE YOUR ANXIETY, DON'T TRY TO FORCE ANYTHING.
YOUR ANXIETY IS OFTEN NOT WRONG BECAUSE OFTEN PEOPLE SUCK AND IT IS A CRUEL WORLD SOMETIMES.
Take what you want from this, and I wish you all of the best luck in the world.