If you omit some key details, all Preston Thorpe has to do to become a senior software engineer at a promising tech company is walk through the door. For about six months, Thorpe was a prolific volunteer contributor to an open source project led by database company Turso. His work was impressive enough that Turso’s CEO, Glauber Costa, quickly offered him a job. That was also when Costa realized that Thorpe is anything but an ordinary programmer. “I checked his GitHub profile, and he mentions the...