Reis competed at the 2010 Junior World Weightlifting Championships, winning the bronze medal in Snatch and placed fourth in Total.

This was Brazil's first-ever medal at the Weightlifting World Championships in any age group, gender or weight class.

[6] Reis originally placed 12th at the 2012 Olympics in the +105 kg event but was bumped up to 11th after Yauheni Zharnasek failed a doping retest in 2016.

[7] Reis finished in 10th at the 2015 World Weightlifting Championships and set the Brazilian record in snatch with 195 kg.

On March 20, 2021, the International Weightlifting Federation announced that Rustam Djangabaev's results at the 2018 World Championships had been nullified.