After starting his career with Lokomotiv Sofia, Vasilev joined the CSKA Sofia academy when he was 7 years old, where he honed his footballing skills.
[1] Vasilev then was signed in the 2008–09 season by Levski Sofia.
In January 2017, Vasilev joined Neftochimic Burgas.
[2] On 16 June 2017, he moved to Botev Vratsa[3] but left the club in August.
[4] On 1 September 2017, Vasilev signed a two-year contract with his former club Montana.