Mijica is Juris Doctor candidate and Research Assistant at the University of Canberra, broadening her knowledge of the Australian legal system and policy frameworks that assist Pacific migrants and refugees with settlement. 

Mijica is ACT Branch Director for the UN Young Professionals Network and ACT National Council Representative for the Australian Red Cross. In 2024, she was recognised as the ACT Young Woman of the Year for her volunteer work across education, media, healthcare and human services. Mijica is from Papua New Guinea and lives in Canberra.