Kim Jeffrey (or Jefri) Kurniawan (born 23 March 1990) is a professional footballer who plays as a midfielder for Liga 1 club PSS Sleman.

His paternal grandfather, Kwee Hong Sing, was also a footballer who played for Persija Jakarta and the Indonesia national team in the 1950s.

However, Kurniawan suffered a knee injury at 18 in his last junior season, ruining his dream to play in the highest levels of German football.

After the matches, Timo Scheunemann, a German who was coaching top-flight team Persema Malang contacted Kurniawan and offered him a trial, in which the latter impressed.

[12][13] Kurniawan's second season saw his team finish 13th in the 2017 Liga 1, the first full-season of top-flight Indonesian football after FIFA lifted the suspension.

During recovery, Kurniawan developed an array of businesses in Bandung, ranging from a clothing line to a barbershop that has gained popularity among fans.

[14][15] Kurniawan's undeterred will to come back from injury in late 2018 that led to a revived performance in the 2019 Liga 1 season, along with a number of goals, and his popular businesses won support from Persib fans who affectionately call him "Little Kimmy".

His main reason was to reunite with coach Dejan Antonic and brother-in-law Irfan Bachdim, who both joined the up-and-coming Liga 1 club for the 2020 season that abruptly ended due to the COVID-19 pandemic.

[16] Kurniawan made his PSS Sleman debut in a pre-season tournament 2021 Menpora Cup against Madura United on 23 March 2021.

[17] On 5 September 2021, Kurniawan made his league debut for PSS Sleman, playing as a starter in a 1–1 draw over Persija Jakarta.

So, I can use that time to heal Kurniawan is also confirmed to be absent throughout the preparation period for PSS Sleman to face 2022–23 Liga 1, he said it would take at least three months for him to fully recover and join the team.

[25] On 23 August 2022, he made his comeback after dislocated shoulder as an 79th-minute substitute against Persik Kediri, also scored his first goal of the season in the 86th-minute in a 0–2 away win at Brawijaya Stadium.

[28] He then played the full 90 minutes and provided the one-two pass for Zé Valente's goal in a 1–2 win against Bali United on 19 December.