During the 2016–17 JGP series, Shimada won the bronze medal in Saint Gervais-les-Bains, France, and placed fourth in Tallinn, Estonia. He took the silver medal at the Japan Junior Championships in November 2016 and placed 7th as a senior at the Japan Championships. At the 2017 World Junior Championships in Taipei, he placed 12th in the short program, 13th in the free skate, and 14th overall.