Júnior Aparecido Guimaro de Souza (born 28 May 1989), simply known as Juninho, is a Brazilian footballer who plays as a winger.
He signed a contract at seventeen and led the São Paulo youth squad to Copa de Juvenil glory.
After with São Paulo, he moved to Cuiabá Esporte Clube in Campeonato Brasileiro Série C. Juninho scored his first goal on 18 May 2010 in a home match to Rio Branco.
On 25 January 2012, Juninho completed his move to Romanian side FC Botoșani signing a one-year deal.
at Thai Premier League on 4 June 2012 in a six-month contract on loan, where he quickly gained first team experience in Southeast Asia Club at Thailand.