[8] Her first television appearance was in a commercial for Pizza Hut, while her first TV show performance was a bit part in Hannah Montana at the age of seven.
[9] Tju has appeared on The Suite Life on Deck where she played Young London in an episode.
In 2013, Tju was signed to a talent deal with Nickelodeon after participating in a showcase at the Los Angeles Groundlings Theater.
[10] Her first prominent role was as a voice actor in the children's animated series Monsters vs. Aliens as Sqweep.
Next, Tju landed her first leading role in the Nickelodeon television special, The Massively Mixed Up Middle School Mystery, playing one of three young detectives.