After being raised from the YSCC Yokohama youth ranks, Kaneko was promoted to the top team in March 2017.
[1] He had the chance of debuting in the J3 League only one year after he was signed: Kaneko came in against Giravanz Kitakyushu in a game of July 2018.
[3] On 27 February 2022, Kaneko signed for NPL NSW club Sydney United 58.
[4] He made his debut on 26 June in a 3–3 league draw against Rockdale Ilinden,[5] and scored his first goal for the club against APIA Leichhardt in the last game of the 2022 season.
[10][11] On February 21, 2024, Gold Coast Knights announced the signing of Taisei for the 2024 NPL Queensland season.