Yanaki moved to Greece with his family where he started his career in the local Panathinaikos.

He spent one year in Hristo Stoichkov's academy at the Vilafranca football club.

[6] On 23 September 2015 he made his debut for Ludogorets Razgrad in a match for the Bulgarian Cup against Lokomotiv 1929 Mezdra, scoring a goal in the 5:0 win.

[7] On 22 May 2015 he made his complete debut in the A Group for Ludogorets in a match against Beroe Stara Zagora.

[8] On 17 June 2016 Smirnov joined Lokomotiv Gorna Oryahovitsa for the second time, but now on loan for a season.