Rep. Joseph has a passion for human and civil rights. She has worked in the human rights and development field where she offered her expertise on transitional justice issues in South Africa while working for a non-governmental organization as part of an academic research placement. She supported the mandate of the United Nations as an intern by providing both research and organizational assistance to the Office of the High Commissioner for Human Rights in Geneva.

She has also served as a global law and development fellow on a USAID project in Cote D'Ivoire, West Africa, promoting the rights of persons with disabilities to access the Ivorian Judicial system. Most recently, she worked as a Human Rights Officer within the United Nations Mission to the Central African Republic, serving internally displaced persons in the region of Bria. After returning from the Central African Republic, Junie moved to Colorado to study law. She holds a Juris Doctorate degree from Colorado Law. In addition to her law degree, Rep. Joseph holds a B.A. in Political Science with a minor in Anthropology from the University of Florida and a Master's in Applied Human Rights from the University of York in England.

Rep. Joseph is committed to equity and justice in her work. In her first session as a legislator, she passed gun violence prevention legislation, fought for criminal justice reform, and allocated funds to help Coloradans build wildfire-resilient homes.