Kamada was born in Ehime Prefecture on August 5, 1996. After graduating from Higashiyama High School, he joined J1 League club Sagan Tosu in 2015. He played many matches from first season. In July 2017, he moved to German Bundesliga club Eintracht Frankfurt. However there were few opportunities to play. In September 2018, he moved to Belgian First Division A club Sint-Truidense on loan. He scored 12 goals for the club. In July 2019, he returned to Frankfurt.