Antariksa's breakout role was as Stevie Baskara in the 2012
Nickelodeon sitcom
How to Rock. The show premiered February 4, 2012, and ran for 25 episodes. It was not renewed for a second season. Antariksa's other television acting credits include
American Family,
According to Jim,
ER,
Head Cases,
Monk,
Zoey 101, and
Gemini Division. Antariksa played high-schooler Rowan Fricks in the
go90 web series T@gged from 2016 to 2018. She played the lead role in the 2018
post-apocalyptic thriller film
What Still Remains alongside
Colin O'Donoghue. The film received mixed reviews, with the
Los Angeles Times' review stating: "...though it gets more tense in its second half, the movie overall is a bit too sedate. Still, a great cast... brings Mendoza’s ideas to life," while Rob Hunter for
Film School Rejects wrote "Antariksa does good work and convinces as a young woman who’s fully able to care for herself while still being someone in need of human contact".
Screenanarchy.com's review stated: "the lead performances are very solid" and
Decider called the film "a hidden gem". Antariksa was next seen in the role of Penelope Park in the first season of
The CW television series
Legacies. She then starred in the short film
The Lonely Host, where one reviewer called her performance "impeccable" and appeared in the film
Witch Hunt, which premiered at the
South by Southwest film festival in March 2021. ==Personal life==