[1] He made his Veikkausliiga debut for HIFK on 21 June 2017 in a game against JJK.
[5] On 14 December 2022, Ulmanen signed a contract with HIFK, returning to the club for the 2023 season.
[6] Ulmanen was named the Ykkönen Player of the Month for July 2023, after having scored seven goals in a 30-day span.
[7][8] On 4 January 2024, Ulmanen moved to Greece and joined Greek Super League 2 club Tilikratis Lefkada.
[9] In April 2024, Ulmanen returned to Finland and signed with Turun Palloseura (TPS) in the second-tier Ykkösliiga.