Born in Rotterdam, Netherlands, Ebecilio started his youth career at Feyenoord when he was seven. Ebecilio soon attracted interest from Premier League clubs and eventually joined Arsenal in 2010. In 2011, Ebecilio signed his first professional contract with the club. In November 2011, Ebecilio felt it was time for him to make his breakthrough at Arsenal.
In May 2013, Ebecilio was offered a new contract with the club after years at the club's academy. Meanwhile, other clubs were interested in signing Ebecilio.
In his second season at Twente, Ebecilio added two more goals against Utrecht on 28 September 2013 and AZ Alkmaar on 5 October 2014. In December 2014, Ebecilio clashed with Manager Alfred Schreuder resulting in him being left out of the squad for four matches. Ebecilio scored on his return, in a 2-1 win over Cambuur on 31 January 2015.