Since 2017, Sumaiya has worked with young students across Bangladesh to build awareness against hate speech. Through her organization MOVE Foundation, she designs and facilitates peacebuilding workshops to develop capacity of the mainstream (school, college and university) and marginalized (religious and ethnic minority) youths, particularly female students in peace and civic education. Through campaign #Reform53, she advocates for reforming discriminatory laws against women and LGBTQ+ people. She is also a member of the Commonwealth Youth Peace Ambassadors Network, working for interfaith harmony and realization of an effective policy on Women, Peace & Security in Bangladesh. Sumaiya speaks Bangla and English fluently.