If you’re serious, start looking for companies hiring up here. As I understand it’s not easy, even for economic class immigrants, but I work in tech and I work with many immigrants (albeit not usually from the US, but it’s a different world now). Mind you - please look carefully into the financial impacts as it is a change from the US. Salaries are lower and taxes generally higher, which may or may not be offset in your context in other ways (healthcare a big one, income tax deductions, etc.) But many people, myself included, prefer Canada regardless of the reduced compensation. It’s not always about money.