Steelneck debuted in the Levi World Cup in November 2013 and her main merit is a 14th place in the big slalom at the home world championships in Åre 2019.
Besides that, she has also finished 14th in a world cup competition in slalom in Austrian Semmering and won the grand slalom cup in the European Cup which is the level during the World Cup.
In 2015 she took the SM gold in a big slalom before Sara Hector and Frida Hansdotter.