Auburn Doubledays
A native of Maracay, Pineda signed with Washington as an international amateur free agent in 2016 for a reported $450,000 bonus. He made his professional debut for the Gulf Coast League Nationals in 2017 and advanced to the New York–Penn League's Auburn Doubledays in 2018. He was named a New York–Penn League All-Star during the 2018 season, hitting .273 with four home runs during the short season.