UMass Amherst has a very strong reputation for CS. UConn’s program is probably good as well but I don’t believe it’s at the same level. If cost is not an issue, I’d recommend UMass. With the CS job market contracting, name brand will carry more weight than in the past.
As an FYI - aside from the “elite” schools, Baruch College, CUNY also has one of the best MS in Financial Engineering programs in the country. Highly regarded, and places well on Wall Street.