 He also holds four Portuguese records, two national titles, and has produced a stellar performance at the NCAA Swimming Championships, earning five All-American titles as a member of Louisville Cardinals.Oliveira, the son of Antonio and Albertina Oliveira, started his sporting career as a member of Rio Maior Swimming Club () under his coach Vladimir Smirnoff.Oliveira competed at the 2005 and 2006 European Junior Swimming Championships in Budapest, Hungary and in Palma de Mallorca, Spain, where he earned two silver medals each in the 200 m backstroke.