The player is allowed to make his first steps as a professional in his youth club Coritiba FC. Here he quickly grew to a regular player. With the club Willian Farias was repeatedly Campeonato Paranaense win. Furthermore, counts of promotion to the first division in 2010 as Master of the Série B to his successes.
In February 2014 he moved to the reigning Brazilian champion Cruzeiro Belo Horizonte.
- Campeonato Paranaense: 2010, 2011, 2012, 2013
- Master of the Série B: 2010