She previously played for the Bangladesh women's national under-17 football team and was twice a member of the winning Bangladesh team in the AFC U-14 Girls' Regional Championship – South and Central, held in Nepal in 2015 and in Tajikistan in 2016.

She currently plays football at the Kolsindur High School in Mymensingh as a defender, most recently in the 2017 AFC U-16 Women's Championship.

Shamsunnahar was born on 31 January 2003[2] in Kolsindur, Dhobaura, Mymensingh district.

Shamsunnahar first played in 2011 Bangamata Sheikh Fazilatunnesa Mujib Gold Cup Football Tournament for Kalsindur Government Primary School.

This biographical article related to women's association football in Bangladesh is a stub.