Career
On 4 August 2013, Califo made his professional debut with Oliveirense in a 2013-2014 Taça da Liga match against Sporting Covilhã, when he started and played the full game. In the first match of the 2013-2014 Segunda Liga season against Penafiel on the 11 August, he made his league debut. Internationally, Califo made his senior début for Guinea Bissau on 19 July 2014.