Career
Club career Denni had a contract with Santo André until 2008, and played for a number of other clubs on loan. Denni trialled with French side Remote Control Strasbourg at the end of 2006 but was unsuccessful in gaining a position at the club He did not have permission to leave Santo André and the club stated that they would take legal action against him.
The formally announced Denni"s signing on 17 August 2007 at a press conference in Newcastle.
He made his A-League debut on 26 August 2007 against Perth Glory. His only goal came from a cross from Matt Thompson to set him up with a volley against Melbourne Victory.
He was released by Newcastle at the end of 2008 after finishing the season as champions. He played for from 2010 to 2015 where he had a lot of success.
In July 2015 he joined Hibernians Football Club.