Dupé has been a litigation lawyer in the Immigration Law Division of the Department of Justice since 2006. During that time she has represented IRCC and the CBSA on a variety of applications before the Federal Court, Federal Court of Appeal, and Ontario Courts. Dupé also occasionally represents the Minister of National Revenue on tax matters before the Federal Court. She teaches courses in Immigration Law in the Paralegal Diploma program at Centennial College and she has previously taught courses in Immigration and Refugee Law Procedures at other Ontario Colleges.
Prior to her employment with the Department of Justice as a summer student in 2004, Dupé also worked with Legal Aid Ontario. She studied Law at the University of Western Ontario and graduated in 2005. She was called to the Bar in 2006.