Paulinho has promised to “give everything” for Barcelona after completing his move from Guangzhou Evergrande in China.
The Brazil midfielder sealed his €40m to the Spanish giants after passing his medical on Thursday.
Paulinho was delighted after becoming the latest member of the playing staff of one of Europe’s great clubs.
“It’s a very satisfying moment. The dream I have been looking for has come true,” Paulinho said during his first Barcelona press conference.
“I will give everything.
“You have to face challenges with courage. I will try to do my job and I am prepared. Coming here is a dream.”
Paulinho, 29, previously played for Tottenham Hotspur in the English Premier League.