Alyssa started taking piano lessons when she was in kindergarten. Then, she took vocal lessons and participated in a choir during jazz saxophonist
Sadao Watanabe's set at the 2007
Java Jazz Festival. In 2008, she participated in the first season of the children's singing reality competition Idola Cilik and placed twelfth. In 2011, she became a member of the
girl group Blink, with Febby Rastanty and
Agatha Pricilla, also fellow
Idola Cilik contestants, Ashilla Zahrantiara and
Sivia Azizah. They starred in three
soap operas on
SCTV:
Putih Abu-Abu,
Diam-Diam Suka, and
High School Love Story. The group disbanded in 2017. In 2017, Alyssa made her debut as a solo artist by releasing a single titled "Gitar" with guitarist Gerald Situmorang. She chose to release her music independently in order to have creative freedom. In 2020, she released her debut studio album
Pelita Lara. She held a virtual concert in support of her album, titled Pelita Lara Live Session, on 10 April 2021. In 2022, she collaborated with Indonesian pop group HIVI!, guitarist Gerald Situmorang, and pianist Sri Hanuraga to release a
collaborative album Bermain Rintik di Musim Hujan. She won her first
Anugerah Musik Indonesia award for Best Contemporary Jazz Artist for "Memori" with HIVI!, Situmorang, and Hanuraga at the 2022 ceremony. In November 2022, she embarked on a concert tour Pelita Lara Tour in four cities around
Java. In 2025, she released her sophomore studio album
Menata. ==Filmography==