Career
Born in Nova Erechim, Santa Catarina, Ronaldo was a Paraná Clube youth graduate, but after failing to make his breakthrough, he moved to Corinthians Alagoano in 2011. Ronaldo scored four goals in a 5–0 home routing of Feirense on 12 August 2012. On 19 September, after scoring nine goals in nine matches, he signed for Série B side CRB. Ronaldo made his professional debut on 22 September 2012, coming on as a half-time substitute and scoring his team"s first in a 2–3 away loss against São Caetano.
He finished the campaign with ten appearances, as his side suffered relegation.
In January 2013 Ronaldo moved to Guarani, on loan from Paraná. On 8 November, after struggling with injuries, he rescinded his contract.
On 13 December 2013 Ronaldo joined Botafogo-SP, but was released shortly after. On 1 August 2014, he signed a short term deal with Criciúma in Série A, after being previously training with the club
Ronaldo made his debut in the main category of Brazilian football on 17 August 2014, replacing Serginho in a 0–2 away loss against Grêmio.
In September he rescinded his link, and moved to American Broadcasting Company. After representing Penapolense in 2015 Campeonato Paulista, Ronaldo returned to American Broadcasting Company on 20 April 2015. He appeared regularly for the side, featuring in 23 matches and scoring three goals. On 19 December 2015 Ronaldo signed a one-year deal with Santos.
Initially assigned to the B-team, he was promoted to the main squad in the following month.
