Born in Lincoln, Sophie Barker started at Lincoln City where she spent 7 years before moving to Sheffield FC in 2014. Joining Doncaster Rovers Belles in 2015, midfielder Barker was re-purposed as a full back and was ever-present in the Belles' squad, starting all but one game in her debut season. In 2016/17 season, Sophie received Manger's Player of the Season and was a crucial part of the WSL 2-winning squad in 2017.
The Blades full-back is also a UEFA B licenced coach and leads the coaching side of the Women's Football and Education Scholarship programme at SUFC Academy. Barker is also Premier League Girls and Women's Football Coordinator.