After graduating from high school, he joined Japan Soccer League club Kofu SC in 1990.

In July 2008, Shinoda received his opportunity to become the top-team manager, following the dismissal of former coach Pierre Littbarski.

[2] In May 2019, Jönsson was sacked, and Shinoda became the club's manager, being it the third time he was promoted from his assistant coach role since 2005.

Despite winning an unexpected Emperor's Cup title for them, he was sacked right after it, as underperformances in the J2 League saw the club finish on 18th place out of the 22 participating teams.

[4] He will start to manage the club from the 2023 season, returning to Kofu after 31 years, since leaving it in his playing career on 1991.