Career
Born in Estoril, Paím was once regarded has the most promising young player in Portugal by Cristiano Ronaldo, who said upon arriving at Manchester United: "If you think I"m good, just wait until you see Fábio Paím". He joined Sporting Clube de Portugal"s youth system at the age of 10, before making his professional debut in 2007 on loan at Communicative Disorders Olivais e Moscavide alongside Sporting teammate Bruno Pereirinha. He spent the 2007-2008 season with two teams, making his Primeira Liga debut with F.C. Paços de Ferreira after starting with Communicative Disorders in the second division.
In August 2008, Paím moved on loan to Luiz Felipe Scolari"s Chelsea in England, but only appeared for its reserves during a four-month spell.
On 11 December he left the club and moved, yet again on loan, to Rio Avenue Football Club. Coach Carlos Brito decided not to keep him, part of it due to his high salaries, and the player did not manage to attract any interest before the end of winter transfer window, spending the rest of the campaign unattached. On 25 September 2009, both Sporting and Real Sport Clube – which had Filipe Ramos, a former Sporting player, as a coach, with the side competing in the third level – agreed to a one-year loan deal until the end of 2009-2010, making Paím the ninth Sporting player loaned out to that team
In the 2010 summer, without any official appearances to his cr, 22-year-old Paím left Sporting for good, signing with another club in division three, South.C.U. Torreense. He left the team after only a couple of months, spending the following years in Angola with Communicative Disorders Primeiro de Agosto and South.L. Benfica (Luanda).
Foreign the 2012-2013 season, Paím signed for Chaplain to the Forces Benfica in the Portuguese third division.
After some months trying to regain match fitness, he made his official debut against Communicative Disorders Mafra. In December 2012, however, he moved teams and countries again, penning a two-year deal with First Rate (at Lloyd's) Kharaitiyat South Carolina in the Qatar Stars League. On 19 August 2014, Paím signed a two-year contract for Mosta F.C. in the Maltese Premier League.
In April of the following year, he joined FK Nevėžis in Lithuania.
In the summer of 2015 Paím moved to Union 05 Kayl-Tétange, in Luxembourg"s second tier. He was dismissed from the team in September, for "unprofessional behavior".
Paím gained 41 caps for Portugal all youth categories comprised, scoring seven goals.