On 23 April 2011, Caetano played in a 2–1 loss to S.L. Benfica in the Taça da Ligafinal, as a 71st-minute substitute for Manuel José.[5] He scored his first career goal six days later, the late winner in a win by the same score at home to Vitória S.C. after replacing the same teammate.[6]
Caetano played 24 matches in 2012–13 (20 from the bench, 606 minutes of action), as Paços finished a best-ever third and qualified to the UEFA Champions League for the first time in their history. He scored his only goal of the season on 28 April 2013, netting the final 2–2 at Vitória Guimarães in the 88th minute.[7]
Gil Vicente
On 2 January 2014, Caetano signed for fellow league club Gil Vicente FC, penning a contract until June of the following year.[8] He appeared in 20 games in his debut campaign, which ended in relegation as second from bottom.
Caetano moved on 23 June 2016 to C.D. Aves of the same league, on a one-year contract.[11] He was used more often as a substitute as the team won promotion as runners-up; on 7 May, on a rare start, he scored the decisive goal of a 2–1 home victory over his previous club.[12]
On 15 July 2017, Caetano returned to Penafiel, being presented as a surprise at a members' meeting.[13] His first season back ended prematurely on 5 May in the penultimate round against fellow promotion-chasers Académico de Viseu F.C. as he was shown a straight red card after the match had already finished.[14]
Caetano scored a career-best four goals the following campaign, despite rarely starting. One was the added-time winner in a 5–4 away defeat of Vitória S.C. B, on 8 April 2019.[15]
Varzim
After six months of inactivity, Caetano signed an 18-month deal with second-tier Varzim S.C. on 4 December 2019, reuniting with former Penafiel manager Paulo Alves. He alleged that he had signed for Paços de Ferreira at the start of the season, which was denied by the club.[16]
Aged only 29, Caetano made his final appearance on 10 January 2021, scoring the winner in a 2–1 comeback victory at Penafiel.[17]
Caetano's father, Agostinho, was also a professional footballer.[3] During his career, the former helped the latter – who had also left the professional game early – in his real estate business, a reason why he never played for a team outside of the north. He owned seven recreational facilities in his own name by the time of his retirement.[23]