Career
He made his official debut for CSKA in the last match of 2008-2009 season in the Bulgarian A PFG (Professional Football Group) against Lokomotiv Mezdra. On 18 November he terminated his contract with due to unpaid salaries. Karadzhov was part of the Bulgaria national under-19 football team,who plays on 2008 Union of European Football Associations European Under-19 Football Championship in Czechoslovakian Republic.
After his recent good displays, on 2 October 2009 he was called by the head coach of the Bulgarian national football team Stanimir Stoilov for the matches against Cyprus and Georgia.