However, he has been involved in the following projects as a writer and creator:
Television:
* "The Haunted Hathaways" (2013-2015) - He was a writer and co-creator of this Nickelodeon sitcom.
* "The Thundermans" (2013-2018) - He was a writer on this Nickelodeon sitcom.
* "The Adventures of Kid Danger" (2014-2020) - He was a writer on this Nickelodeon sitcom.
* "Henry Danger" (2014-2020) - He was a writer on this Nickelodeon sitcom.
* "Game Shakers" (2015-2019) - He was a writer on this Nickelodeon sitcom.
* "The Really Loud House" (2016-2018) - He was a writer on this Nickelodeon sitcom.
* "The Loud House" (2016-present) - He is currently a writer on this Nickelodeon animated series.
Film:
* "The Haunted Hathaways: A Halloween Adventure" (2014) - He wrote this direct-to-video movie.
* "Henry Danger: The Movie" (2024) - He is a writer on this upcoming Nickelodeon movie.
Other:
* "Nickelodeon's Kids' Choice Awards" - He has been a writer for several of these annual award shows.
While Devin Harjes has not starred in any movies or television shows, his work behind the scenes has contributed to some popular and successful Nickelodeon productions.