Eng started his career directing numerous TV commercials and music videos for the Asian market before he segued into films.

[3] The film was covered extensively in the Chinese media and was critically acclaimed in both China and Europe and gained TV and theatrical distribution in territories worldwide.

He got some of Asia's biggest stars, Ziyi Zhang, Liu Ye, Huang Bo and Ge You, to spoof the action-movie genre in a humorous send-up on national TV in China.

[6] In 2011, Eng wrote, directed, and produced Inseparable starring Oscar-winner Kevin Spacey, Daniel Wu, Gong Beibi, Yan Ni, and Peter Stormare.

In 2017, Eng directed the indie fantasy-comedy Wished (Chinese: 反转人生; Pinyin: Fan Zhuan Ren Sheng) (co-written by Justin Malen), which beat local box office estimates at the time to gross RMB$70 million in two weeks.