He is most famous for his leading roles in the TV series Bodrum Masalı (2016-2017), Çarpışma (2018-2019) and Son Yaz (2021).
Duymaz made his television debut with a role in "Tatlı Küçük Yalancılar" which adaptation of Pretty Little Liars.
He continued his career with subsequent roles in Acı Aşk and youth series Bodrum Masalı.
[5][6][7] In 2018, he made his cinematic debut and portrayed the character of Kutay in the historical movie Direniş Karatay.
[9] In late 2018 and later in 2019, he was among the main cast of crime series Çarpışma and portrayed Kerem Korkmaz.