[1] The middle child of Johanna and Anders Algotsson, she has an older sister, Emma, and younger brother, Rickard.

She was assigned to represent Sweden at the 2014 World Junior Championships in Sofia, Bulgaria, but was eliminated after placing 28th in the short program.

Making her senior international debut, she won gold at the Volvo Open Cup in November 2015.

A week before the competition, Sweden decided that Algotsson would replace Joshi Helgesson at the 2017 CS Nebelhorn Trophy.

Algotsson won the silver medal and earned a spot for Sweden in the ladies' event at the Olympics.