Career
Early career
Zlatkov began playing football in his hometown Blagoevgrad at Pirin. In summer of 2007, he started training with the first team and signed professional contract, connected him with the club until 2010. Zlatkov made his debut during the 2007-2008 season on May 10, 2008 in a 2–2 away draw against Beroe.
A few days later, he had a trial with Dynamo Kyiv, but did not do enough to secure a contract with the Ukrainian club
In June 2008, Zlatkov was sent to Pirin Gotse Delchev on loan for one year. In 2008-2009 season, he earned 27 appearances playing in the second division, scored seven goal and provided five assists.
Minyor
Because of his good displays Zlatkov caught eye of Minyor Pernik scouts. In May, 2009, he signed a three-year contract with Minyor.
On 17 January 2011 it was officially announced, that he will spend 2 weeks trial with Maccabi Haifa.
In August he left the club Botev Plovdiv
Daniel Zlatkov signed a two year contract with Botev Plovdiv on 25 August 2014. Daniel did not participated in any competitive games until 10 March 2015 due to an injury.
Daniel Zlatkov participated in 10 games in A Grupa during the spring on 2015 and because of his solid performance the fans of Botev Plovdiv selected him among the ten best players of the season.
Other
Zlatkov has made an appearance in Azis"s new clip, called "Mykonos".
