Career
Previously, he had a contract with Football Club Vaslui, a team from Romanian Liga 1. He made his debut in Romanian first League on 29 July 2006, in a 0–0 draw between Vaslui and Universitatea Craiova. He started his career at Red Star Belgrade youth, but he did not play for the team
In 2000, Radnički Kragujevac bought him, and he stayed there for almost three years.
He spent six years in the Serbian Second Division. In 2006, he was bought by Football Club Vaslui, for a mere $50,000.
At first, he played as a defensive midfielder, and he scored only 2 goals in the 2006-2007 season. However, Mircea Rednic wanted him on his team, offering 1.5 million dollars for Ljubinković and Stefan Mardare, but Adrian Porumboiu declined the offer.
In the next season, Dorinel Munteanu took Ljubinković"s role in the field, letting him a free role.
He scored in the opening match, a 2–2 draw against UTA Arad. He was also, the first player who scored in the new championship. From the 3rd until the 11th game, he scored each game, being able to be in the front of the goalscorers.
In the winter break, Remote Control Lens, Lokomotiv Moscow and Newcastle United were interested in the player, but Adrian Porumboiu rejected all the offers.
He scored the 100th goal for Vaslui in Liga I, in a 3–0 victory against Poli Timișoara. He finished on the 3rd position of the top-scorers, with 16 goals.
On 21 March 2009, he scored a goal from almost 35 m against Farul. He has scored, at the moment, only 6 goals, in the new season.
In the 2009-2010, after a conflict with Marius Lacatus, he was sent to the second team, but he did not played.
In the summer, 2010 he managed to release his contract with Vaslui. After brief spells with Serbian side Sloboda Point Sevojno and Cypriots Αnorthosis, at the end of August 2011 he signed a two-year deal with another Serbian SuperLiga side FK Vojvodina.