There are many excellent suggestions here. I can't add anything, but I have a question: Are you the only junior SWE? If no: then how are the others coping? If

There are many excellent suggestions here. I can't add anything, but I have a question: Are you the only junior SWE? If no: then how are the others coping? If you are the only junior SWE, then the problem might be that they were actually wanting to hire a more experienced person. Perhaps the manager who has since left was trying to save money by hiring a junior instead of an experienced person who would have cost far more.