[1] He took part in the official test day of the Brands Hatch GP round of the 2021 F4 British Championship with JHR Developments, finishing 17th of 18 competitors.
[5] On 9 March 2022, it was announced that Shin would compete in the 2022 F4 British Championship with Virtuosi Racing alongside Edward Pearson.
[10] Shin represented his native South Korea in the 2022 FIA Motorsport Games Formula 4 Cup.
[14] On 20 December 2022, it was announced that Shin would be competing in the 2023 Formula Regional Middle East Championship with Prema Racing.
[20] In July 2023, it was announced that Shin would drive for PHM Racing by Charouz for the remainder of the 2023 FIA Formula 3 Championship, replacing McKenzy Cresswell.
[25] He scored a third place in the opening race, later taking his first Formula Regional win at Euromarque Motorsport Park.
[30] He was involved in a serious crash in Zandvoort where Shin's car barrel-rolled seven times after a collision with Alexander Abkhazava, but both emerged unscathed.