I am new in this field learning full stack, I want to know that what should I prefer after completing my react course, also please give me some tips on how to do best and optimal learning

I am trying to learn full stack, and I want someone to guild me in this field, I am in 3rd year of btech in a 3rd tier college, holding a bowl of confusions in my mind. I haven’t done much for a good internship or job. please give me some tips how should I approach and learn.