Joaquin is a minor character in Young Sheldon.
While Joaquin is building an algorithm to beat the stock market, he gets introduced to Sheldon. Later, they finish it and 8 hours later, they double their income but it all goes falling down when Sheldon adds a new subroutine and gets slowed down, Joaquin throws the computer at the window. (A Frankenstein's Monster and a Crazy Church Guy)