Her work began with research in Gender History (1989–1991) and quickly moved into frontline human rights activism as Executive Secretary of Amnesty International in Ecuador from 1991 to 1996. She later became deeply involved in the trade union movement as an educator at the Ecuadorian National Trade Union Centre (CEOSL) between 1997 and 2001, where she worked closely with workers and unions to strengthen trade union rights, collective organisation, and gender justice.

In 2002, Verónica joined Public Services International (PSI) as Project Coordinator for the Andean Region, supporting the education and organisation of women workers and advancing trade union rights for women across the region. She was appointed Gender Equality Officer in 2015, and in 2020 became Equalities Officer, broadening her work to confront racism and xenophobia, defend the rights of workers with disabilities, and promote inclusive union organising. In 2024, she also assumed responsibility for coordinating PSI’s LGBT+ workers portfolio, further strengthening the organisation’s commitment to equality and diversity within the union movement.

In 2026, Verónica Montúfar became Head of Social, Economic and Climate Policy, drawing on her movement experience to lead PSI's policy and advocacy agenda on critical issues affecting public services and workers globally - including equalities, economic justice, and climate action. She is based in Quito, Ecuador.