 Nyora kupfuurira kweiyi ndima - Pa1998 World Junior Championship, Jokinen akaenzana neAmerican Jeff Farkas semutungamiri wekukwikwidza kwechikwata nemapoinzi gumi uye akabatsira Finland kuhwina menduru yegoridhe kumusha. Akatumidzwa zita remutambo wezvose-nyeredzi pakati, uye akapiwa mubairo weDirectorate semutambi wepamusoro. Akazowana menduru yesirivha paWorld Championship ya1998. Imwe sirivha yakatevera muna 1999 uye menduru dzebronze muna 2000, 2006 na2008. Pakazara, Jokinen akaonekwa mumakwikwi gumi epasi rose eFinland, achiwana mapoinzi makumi mana nematanhatu mumitambo makumi masere nemasere. 