Bazay obtained her law degree from the Pontifical Catholic University of Peru (PUCP) and her LLM in International Human Rights Law from the University of Notre Dame's Center for Civil and Human Rights. After graduating from law school, she worked at PUCP’s Institute for Democracy and Human Rights (IDEHPUCP), where her research focused on various international law topics, including the crime of aggression, multinational corporations and human rights, and the right to water. She was also a teaching assistant for several public international law courses at the PUCP faculty of law. She has been involved in human rights projects focused on training civil society actors on human rights and improving human rights education at both the undergraduate and graduate levels. She has interned for the Coalition for the International Criminal Court in New York City and worked for the International Commission of Jurist’s Bangkok regional office. She is currently based in Mexico City, where she works on different human rights issues and has co-founded Laboratorio de Litigio Estructural, AC.