On 2 April 2016, Ylätupa made his senior debut in Finnish League Cup against FC Lahti at Talin jalkapallohalli, playing the game as a starting line-up during 46 minutes.
[3] On 21 July 2017, it was announced that the midfielder had signed a three-year contract with Dutch side AFC Ajax.
[4] On 10 January 2022, Ylätupa signed a three-year contract with GIF Sundsvall in Allsvenskan for a €125.000 transfer fee.
[5] Following Sundsvall's relegation to the Superettan, on 16 January 2023 Ylätupa officially joined fellow Swedish side Kalmar FF for an undisclosed fee, signing a three-year contract with the club.
[9] He made his debut in the Finland national football team on 8 January 2019 in a friendly against Sweden, as a 68th-minute substitute for Lassi Lappalainen.