As soon as she graduated from Hacettepe University Ankara State Conservatory (with full honours and as top of her class), Ecem Topcu started working at the Samsun State Opera and Ballet. There, she made her professional debut in 2018 as Arsena in Der Zigeunerbaron and in 2019 as Susanna in Le Nozze di Figaro.
She also performed as a soloist at the Gala Concerts, the Season Opening Night Concerts and at the Spring Concerts of Samsun State Opera House with Samsun Symphony Orchestra, Istanbul State Opera and Ballet Symphony Orchestra, Hacettepe University Symphony Orchestra and Izmir State Opera Symphony Orchestra in 2019, 2020 and 2021.
During her studies, Ecem sang in several opera and operetta productions such as Rita in Rita, as Rosina in Il Barbiere di Siviglia, as Berenice in L’occasione fa il ladro, as Euridice in Orfeo ed Euridice, and as Ciboletta in Eine Nacht in Venedig.
She won Third Place in the National Singing Competition 2019 (Izmir) and Honorable Mention in Yalçın Davran National Singing Competition 2019 (Ankara).
She took part in masterclasses by Ailyn Pérez, Howard Watkins, David Lomelí, Maia Mari Chikradze, Murat Karahan, Iva Ionova, Ragnar Conde, Abdiel Vázquez, Ivayla Hinkova Bobcheva and Jennifer Rowley.