I am about to finish my MSc, and my thesis is on a very specific area of research which got an attention of start-up which wanted to hire me. I passed the inter

I am about to finish my MSc, and my thesis is on a very specific area of research which got an attention of start-up which wanted to hire me. I passed the interview, but they can't sponsor my visa at this stage of their development. Which makes you feel powerless, since the problem is not something I can fix, and it is not a first job offer which had to pass on me because of my visa issue.