Career
Vasco da Gama
On February 14, 2007, in Manaus, Alan Kardec played his first match for Vasco, when his club beat Fast Clube 2–1 for the Copa do Brasil. On April 11, 2007, he scored his first goal for Vasco, when his club and Botafogo drew 4–4 in a Campeonato Carioca match. On July 21, 2007, Alan Kardec scored his first Série A goal, when Vasco beat Atlético Mineiro 4–0.
He played 26 Série A matches and scored eight goals in 2007, while in 2008, he played 19 matches and scored two goals in that competition.
Internacional
He was loaned to Internacional on September 1, 2009. Alan Kardec played his first game as an Internacional player on October 28, 2009, a Série A game against São Paulo at Estádio do Morumbi, in which he came as a substitute for Fabiano Eller.
Benfica
Alan Kardec announced on December 13, 2009 that he will play for Portuguese club Benfica in the 2010 season, after Vasco da Gama accepted a €2.5 million deal with the European team The following week, he signed a contract with the Lisbon-based club
On March 18, 2010, Alan Kardec scored the winning goal in their Europa League game against Olympique Marseille with a ferocious strike from a hard angle.
Santos
In July 2011, was confirmed that Alan was loaned for one season to Santos. Santos attempt to renew the loan in July 2012, but Benfica denied, only allowing Kardec to leave on a permanent deal. Kardec played occasionally for Benfica B, as he was blocked in the first team by Óscar Cardozo, Lima and Rodrigo.
Palmeiras
In June 2013, Brazilian side Palmeiras confirmed Kardec on one and half year loan from Portuguese side Benfica with an option to make the move permanent.
Kardec comes back to Brazil as a substitute for Kléber, that had a bad passage for the São Paulo city based club São Paulo
Kardec signed a five-year deal with São Paulo Football Club on May 12, 2014, with the Brazilians paying €4.5 million.
Alan Kardec played eight South American Youth Championship matches for the Brazilian under-20 team between January 20, 2009 and February 8, scoring two goals, respectively against Uruguay and Argentina. He scored two goals in Brazil"s first 2009 Fédération internationale de football association U-20 World Cup game, played on September 27, 2009, against Costa Rica.
He also scored a goal in the round of 16, against Uruguay, played on October 7, 2009, and the only goal of the semifinal, against Costa Rica, played on October 13, 2009.