Tharaka Wasalamudaliarachchi (Tharu Queen) began her professional journey in 1997, joining Swarnavahini as one of its early journalists. During this time, she contributed as a presenter on the political program Deshapalana Sathiya and worked as part of the production team for Rathu Ira. Her breakthrough came in 2000 with the current affairs program Helidarawwa, which brought her widespread recognition. She received the Sumathi Tele Awards for Best Television Current Affairs Program in both 2000 and 2001.
After a brief hiatus from the media industry, Wasalamudaliarachchi returned to television in 2005 with the documentary program Charitha, marking a significant comeback after three years away from the public eye. Her work on Charitha earned her the Sumathi Tele Award for Best Television Documentary in 2007.
In 2006, she made her acting debut with Pipi Piyum, where her performance was well received by audiences. She continued her acting career with a notable role as Ishadi in Udu Viyan (2007). In 2008, she further expanded her presence on television by hosting Peravadana.