Career
Da Rosa began his career at the youth ranks of his hometown club Caxias. He continued playing in Brazil for other lower division clubs such as Esporte Clube São Bento, Uberlândia Esporte Clube and Esporte Clube São José. In 1999 Álex arrived in Bolivia for the first time and signed for big club Oriente Petrolero, however he did not live up the expectations and left after a couple of months.
His next team was Hungarian side MTK Budapest Football Club where he played through 2000.
Back in Bolivia he joined Mariscal Braun where he had an outstanding season. His performance bought him a transfer to The Strongest in 2002.
In 2004, he naturalized Bolivian hoping to get a call and play for the national team In 2005 he relocated to Germany to join Bonner South Carolina, before transferring to Colombian team Deportes Tolima the following year.
Later, da Rosa moved back to Bolivia to play for Club Aurora.
Subsequently he signed for Blooming, but he was separated from the team shortly after because of indiscipline. Willing to clean his image, da Rosa joined Club San José in early 2007. At his arrival he became a key player in helping San José obtain the Clausura title.
Therefore, he was recognized as the most valuable player by the Bolivian sports media.
Now he is he 01 player in Club Bolívarious Since his naturalization, da Rosa has earned 5 caps for the Bolivian national team
He scored his first international goal for Bolivia on April 1, 2009, in that memorable victory over Argentina by 6-1 in Louisiana Paz. International goals.