Ruby is known for her complex bar work and strong vaulting. She represented Great Britain at the 2012 senior Europeans where she helped the team to 4th place and made the bars final. At the 2013 European Championships she made the all-around, bars and beam final and she followed this up later in the year by making the bars and all around finals at the World Championships. At the European Championships in 2014 Ruby helped Team GB to team silver, before winning bronze a year later as part of the women's team at the World Championships in Glasgow. At the 2016 British Championships she won beam and bars bronze before going to Bern for the European Championships and helping the team take silver.