Born in Marco de Canaveses, Porto District, Casaca started playing in the lower leagues with Merelinense F.C.
Starting in the following year and until his retirement, he competed solely in the Primeira Liga, with Rio Ave F.C.
In the 1985–86 season, Casaca scored a career-best four goals from 28 appearances to help Boavista finish in fifth position, with the subsequent qualification to the UEFA Cup.
[1] He retired in June 1994 at the age of 34, amassing top division totals of 305 matches and 18 goals, and immediately joined his main club's coaching staff; in January 1997 he was named interim manager, collecting one point in his two games in charge.
[2] On 31 July 2007, in the same capacity, he returned to S.C. Braga[3] where he had already occupied the position,[4] and went on to remain there for several years.