 Nyorai kuenderera mberi kweiyi ndima - Sjöberg akatamba muWorld Junior Curling Championships muna 2014, 2015, 2017uye 2018 senhengo yeChikwata Isabella Wranå. Muna 2014, timu yake yaIsabella Wranå, Jennie Wåhlin, Elin Lövstrand naAlmida de Val vaive nenzvimbo yechina, mushure mekunge varasikirwa mumutambo wemenduru yebronze kuRussia. Muna 2015, iye nevamwe vake vechikwata Wranå, Wåhlin, Johanna Heldin naJohanna Höglund zvakare vakapedza chechina mushure mekurasikirwa neSwitzerland mumutambo wemenduru yendarira. Akanga adzoka pachiitiko ichi muna 2017 apo timu yake yakahwina menduru yegoridhe, ichikunda Sophie Jackson wekuScotland mumutambo wekupedzisira, uye akarasikirwa nemitambo miviri chete yekutenderera. Gore rakatevera racho chikwata chimwe chetecho chakanga chisina kukundwa mumakwikwi ose, asi chakaguma chakundwa naKaitlyn Jones wokuCanada mumakwikwi okupedzisira. Chikwata ichi chakamirirawo Sweden pa2017 Winter Universiade, uko vakaenda kumba nemenduru yebronze. Sjöberg akamiririra Sweden imwe nguva kumajunior muna 2019 semumwe weTova Sundberg. Vakawana nzvimbo yechitanhatu. 