Hernandez attended St. Dominic High School in Oyster Bay, New York.
While in college, Hernandez spent his offseasons away from school playing professional basketball in Puerto Rico.
Hernandez played three seasons professionally for the Guaynabo Mets, Aibonito Polluelos, and Cayey Toritos in the Baloncesto Superior Nacional league in Puerto Rico.
[3] In 2014, Hernandez was named as a player development coach for the Orlando Magic.
[6] In 2021, Hernandez also coached the Greensboro Swarm, the NBA G-League affiliate of the Hornets.