Born in Seoul, South Korea, in 1996. Since 2024, she studies at the Reina Sofía School of Music's Diploma in Contemporary Piano with professor Florent Boffard whose educational activity at the School is supported by the French Embassy in Spain and the French Institute. Shin has been granted a scholarship by Fundación Albéniz.

Born into a musical family, she decided to take up the piano and gave her first solo recital at the age of ten. At the age of 13, she began her musical studies at Yewon Arts School and Seoul High School of the Arts, where she received the school's ‘Outstanding Pianist Award’. She obtained a Bachelor's Degree in piano in 2020 and also in French literature at Yonsei University in Seoul. She then decided to move to Paris to continue studying contemporary music and the works of Claude Debussy, at the Conservatoire National Supérieur de Musique et de Danse in Paris.

Jiyoun has performed in several concert halls in Korea and abroad: Kumho Art Hall, Kosmos Art Hall, Choi Yangup Hall, Yonsei University's 100th Anniversary Concert Hall, several concert halls in France (Paris, Vanves, Beaune, Limoges, etc.), in the auditorium of the Korean Cultural Centre in Belgium, in the auditorium of the National Academy of Music of Vietnam...

In 2013, she won second prize at the Seoul Youth Chamber Music Competition, and since 2015 she has formed a four-hand piano duo with pianist Jiwoo Yun with whom she has won several international competitions such as the Osaka Competition, the Schubert Pianoduo Competition, the Korean Pianoduo Competition and the Vietnam International Chamber Music Competition, among others. In 2019 he won the first prize at the Jean Françaix International Piano Competition and in 2023, the second prize at the ‘Concours Jeune Talent Normandie’.

Contemporary music plays an important role in her career. She participated in a centenary project of composer Isang-Yun, organised by the Seoul government in 2017, as well as in the TIMF Academy of Contemporary Music in 2015-2016. In 2022, she performed Carl Vine's first sonata in France at the ‘15th Contemporary Keyboard Weekend’ concert, and, in 2023, she participated in Frederic Durieux's ‘Critical Approaches to Performance’ workshop conference to perform a work by Heinz Holliger.