Gao Jian joined the Singapore Symphony Orchestra (SSO) in 1988. He has performed with orchestras in Asia, Europe, America and North Africa. He also performed in recitals and chamber music concerts in addition to regular performances with orchestras. Gao Jian has performed as a guest musician with major Asian orchestras, such as the Malaysian Philharmonic Orchestra, Macau Symphony Orchestra, Hangzhou Philharmonic Orchestra, China Philharmonic Orchestra, as well as China NCPA Orchestra. He is now the Associate Principal of the horn section in SSO.