She made her international debut in the 2007–2008 season, when she competed on the 2007–2008 ISU Junior Grand Prix in two events, with a highest placement of 9th. She competed at the 2008 World Junior Figure Skating Championships, where she placed 14th. She made her senior international debut at the 2009 Four Continents, where she placed 14th. Now she is a figure skating coach and she is teaching her younger brother, Kim Hwan-jin.