She was one of the contestants of the second season of The Voice Indonesia (2016), broadcast by the national television station RCTI.
She started gaining wide public attention after performing her rendition of Coldplay's "A Sky Full of Stars" in the knockout round of the singing contest.
On YouTube, the video of the performance made its way to the very top of nationally "trending" videos and held its position for more than a week.
In the same year, she signed with Universal Music Indonesia, under which five singles were released.
Her fifth single, "Hold On", is the first one fully in English and written by herself in collaboration with Joseph Saryuf of Santamonica and Direct Action.
Gloria received the award for "Best New Artiste (Female)" in the 2017 edition of Anugerah Planet Muzik, an event appreciating Malay musicians from Malaysia, Singapore, and Indonesia.
Her fans formed a dedicated "friendbase" named GlowJes which periodically organizes meet-and-greets and gatherings.
Her friendship and frequent collaborations with model/drummer/vlogger/actress Rani Ramadhany resulted in their fans' forming another fanbase named RRGJ.