Sandhja released her debut single "Hold Me" on 15 November 2013 as the lead single from her debut studio album. On 7 March 2014 she released "Gold" as the second single from her debut studio album. She released her debut studio album Gold on 23 May 2014 through Sony Music Entertainment Finland.
Main articles: Finland in the Eurovision Song Contest 2016 and Eurovision Song Contest 2016
In May 2015 she featured on Brandon Bauer's single "The Flavor". On 30 October 2015 she released the single "My Bass". Sandhja was announced as one of the 18 competing artists in Uuden Musiikin Kilpailu 2016 on 12 January 2016. She competed in the third semi-final and advanced to the final. In the final, she was declared the winner after winning the jury vote and placing third with the public. She represented Finland in the Eurovision Song Contest 2016, performing first of all contestants in the first semi-final on 10 May 2016 at the Ericsson Globe in Stockholm, Sweden, but failed to qualify for the May 14 final. Her second studio album Freedom Venture, was released on 29 April 2016.