[2] He started his professional career in his former club Minyor Pernik in 2006.

On 21 December 2012, Vasilev signed a two-and-a-half-year deal with CSKA Sofia.

On 7 February 2015, Vasilev made his first appearance for Bulgaria, in the 0–0 draw with Romania in a non-official friendly match, playing over the course of the entire game.

[3] He earned his first cap on 28 March 2015, after coming on as a late substitute in the 2–2 home draw with Italy in a Euro 2016 qualifier.

This biographical article related to association football in Bulgaria, about a defender, is a stub.