Hahm became a member of the girl group T-ara in 2009.

Hahm featured in Davichi's music video "Time, Please Stop" ("시간아 멈춰라") which was released on May 6, 2010.

Her first major acting role after joining T-ara was in the SBS drama Coffee House, in 2010.
That same year, she was in the horror film White: The Melody of the Curse.

In 2011 she had a leading role in the teen drama Dream High.
From 2011-2012, she was in MBC's variety program We Got Married.
Hahm was also in dramas The King of Legend and Insu, The Queen Mother.
Hahm became a member of the girl group T-ara in 2009.
Hahm featured in Davichi's music video "Time, Please Stop" ("시간아 멈춰라") which was released on May 6, 2010.
Her first major acting role after joining T-ara was in the SBS drama Coffee House, in 2010. That same year, she was in the horror film White: The Melody of the Curse.
In 2011 she had a leading role in the teen drama Dream High. From 2011-2012, she was in MBC's variety program We Got Married. Hahm was also in dramas The King of Legend and Insu, The Queen Mother.
Hahm Eun-jung