He was loaned to J2 League club, Ehime FC for 2019 season. He left from the club after two years at Ehime.
After leaving the club, Kawamura return to Hiroshima for 2022 season. On 22 October 2022, Kawamura brought his club reach first title of J. League Cup after defeat Cerezo Osaka with dramatic score 2-1.
Red Bull Salzburg
On 24 June 2024, it was announced that Kawamura would join Austrian side Red Bull Salzburg on 1 July, signing a four-year contract in the process.[3][4]
International career
Kawamura made his debut for the senior Japan national team on 1 January 2024 in a friendly against Thailand and scored a goal in a 5–0 victory.[5]