He appeared as Thin Boy (young Thin Man) in Charlie's Angels: Full Throttle (2003). He next appeared as Nick Davis in the 2005-2007 TV movie series including Jane Doe: Vanishing Act; Jane Doe: Now You See It, Now You Don't; Jane Doe: Till Death Do Us Part; Jane Doe: The Wrong Face; Jane Doe: Yes I Remember It Well; Jane Doe: The Harder They Fall; He has appeared in two episodes of Lost, and voiced the role of Slightly in Tinker Bell, and Comet in Space Chimps.
Shada has also starred as Dean's best friend, Joey, in Disney series Wizards of Waverly Place.
His brothers are the actors Josh Shada and Jeremy Shada.