From 2007 to 2008 he was in the team's double, for which he played 29 games. After that, he could not break into the main lineup for a long time. And played only 3 matches for the club. In 2011 he went to "Helios" on lease. Where he made his debut in the match against "Stal" from Dniprodzerzhynsk. The match ended with the victory of the "black and reds" with a score of 4: 0. Yevhen Zadoya played until 68 minutes. There he played 24 matches. In 2013, the club bought the player. And the player became an integral part of the club. On July 1, 2015, he played 100 games for the club.
In July 2016, he went to see Rivne's "Veres", but in August of the same year he left the club, never going out on the field.
On September 17, 2016, Zadoya signed a contract with "Kolos" from Kovalivka, for which he played his 100th match in the 2020/21 season.
He played 32 matches for the youth national teams of Ukraine U-17 and U-19.