Bigman began his beatboxing career in 2017 at the By The JB Beatbox Battle on February 11, 2017 in
Gunsan and became top 8 in the quarter-final. On August 12, 2017, he was the entry champions to the Die to Die vol. 3 in
Busan and became top 4 in the semifinal. He tried to enter competition on Asian Beatbox Championship in
Taiwan and predictably won a wildcard for his entry video, granting him entry to the competition. On August 19–20, 2017, he through the elimination rounds and into the knockout rounds, but lost in the quarter-finals and became top 8. Almost immediately after that event, his wildcard winner video went viral, gaining over a million views practically overnight and various viral video channels promoted the video, prompting his appearance on
The Ellen DeGeneres Show on September 13, 2017. On March 25, 2018, Bigman was entered into a world beatboxer competition,
Grand Beatbox Battle held in
Basel,
Switzerland by Swissbeatbox, but only into the elimination rounds. On August 19, 2018, he was entried another world beatboxer competition is Beatbox Legend Classic held in
Foshan,
China and became top 8 in quarter-final at result event. On October 11, 2018, he appearance with Korean-American Symphony Orchestra on Korean-American Friendship Concert held in
Infinite Energy Area Center,
Atlanta,
US. On November 16, 2018, he officially signed with Sidus HQ for his music activities. On December 2, 2018, he made his official debut as a singer by participating in producer group 015B with the single song
Joshua at Metro. On May 31, 2019, Bigman released his first single album include the title track song is
Day by Day produced by
Rocoberry and another track song
Get Tired of My Love from his upgrading routine battle, with the director by videoartist's DRGN LAKE. ==Musical style==