Paulinho was the top scorer of the 2018–19 Taça da Liga, netting braces in group stage wins against C.D. Nacional (5–0 at home) and Vitória F.C. (4–0 away). In the next year's edition he scored twice for the winners, including a last-minute winner over Sporting CP in the semi-final. On the league front he set a new personal best in the top flight, including a hat-trick in a 5–1 away rout of F.C. Paços de Ferreira on 10 July 2020.