>"MSc in some science (like it matters)"

a formal 400-level course in algorithms will go a long way, preferably at a good university with a good professor, but if you can't get that right now: https://ocw.mit.edu/courses/electrical-engineering-and-compu...

computer science is a discipline where people seem to think the education doesn't matter that much, but the truth is once you start to get even a little mathy it matters big time