He was sent out on loan to Major League Soccer team Los Angeles Galaxy in 2010 along with fellow Brazilians from the club Alex Cazumba and Leonardo.

[6] He was also a key player in the Galaxy's 2011 MLS Cup championship and played the full 90 minutes in the final victory over the Houston Dynamo.

[7] At the conclusion of the 2011 MLS season, Juninho left Los Angeles and signed a three-year contract with boyhood club São Paulo.

[13] On 18 December 2018, Juninho returned to LA Galaxy for a third stint, after acquiring the Right of First Refusal from the Chicago Fire in exchange for $75,000 in General Allocation Money.

[15] Juninho was named head coach of the LA Galaxy Academy U-19 squad ahead of their first season playing in the United Premier Soccer League.