Pender began his senior career at Shelbourne in 2003 after impressing at schoolboy level with Belvedere and for Republic of Ireland at under age level. Pender made sporadic appearances for Shelbourne, namely in the League of Ireland Cup and FAI Cup competitions. Pender departed Shelbourne in 2004 to join League of Ireland First Division side Dublin City. Pender became a regular in the Vikings first team and a successful 2005 season was capped off with promotion to the Premier Division, after a tense play-off victory over Shamrock Rovers. Mid-way through the 2006 Premier Division season, Dublin City ceased to exist leaving Pender a free agent.
Pender would soon return to the First Division by joining Shamrock Rovers and he played an important role in Rovers' First Division winning team that season. He made his debut at a deserted Gortakeegan on the 1st of September . In his two seasons at Rovers Derek made a total of 28 appearances scoring once.
Signed for Bray in December 2007 . Derek Signed for St.Patrick's Athletic for the 2010 season on the 22nd December 2009 . He turned in some excellent performances for the Supersaints and signed a new contract to keep him at the club for the 2011 season . Pender scored his first goal for St.Pats in a 3-0 win over Galway United in the opening game of the 2011 Airtricity League season . Category:1984 births
Category:People from County Dublin
Category:Republic of Ireland association footballers
Category:Dublin City F.C. players
Category:Shamrock Rovers F.C. players
Category:Shelbourne F.C. players
Category:Bray Wanderers A.F.C. players
Category:League of Ireland players