Arabadzhiev began his career in the Italian Formula Three Championship in 2006, finishing the season in 11th in the standings, scoring five points.

[2] Arabadzhiev joined the International Formula Master series in 2008, finishing seventh in the standings for JD Motorsport, taking one win.

[2] He was awarded a test for World Touring Car Championship team Chevrolet at the Pembrey Circuit in Wales.

[3] Arabadzhiev raced in the 2009–10 season of the GP2 Asia Series, for the Rapax Team, which took over Piquet GP after the first round.

He also took part in the main series for the 2010 season, moving to Scuderia Coloni to partner Alberto Valerio.