 Nyora kuenderera kweiyi ndima - Mushure mekukunda 2015 U21 European Championship, zvikwata zvakati wandei zvaifarira mutambi wepakati weSweden. Akatamira kuchikwata cheItaly Palermo nemari inosvika 2 miriyoni pamwe ne 500,000 mukuwedzera, achisaina kondirakiti yemakore mana. Mu Rosanero, akabatana neU21 teammate Robin Quaison. Akanyora chinangwa chake chekutanga muSerie A musi wa13 Gunyana 2015 vachipesana naCarpi, mutambo wakapera mu 22 dhizaini. Mazuva matanhatu gare gare, akarova brace kurwisa Milan, achibatanidza mutambo kaviri pamberi pekurasikirwa ne 2 3. Kutanga kwakaisvonaka kwaHiljemark kwemwaka kwakakwezva ngwariro yemakirabhu makuru. Akabatanidzwa nemakwikwi eItaly Milan neNapoli nokuda kwekutengeswa kunobvira, pamwe chete nemakwikwi ePremier League Norwich City, Southampton, Watford uye West Ham. Pakupera kwegore ra2015-16 Serie A mwaka, Palermo yakaratidzika kunge iri munjodzi yekudzikiswa. Mumutambo wekupedzisira wemwaka, Hiljemark akapa rubatsiro rwakakosha kuna Franco Vázquez mukukunda 32 kurwisa Verona kuti awane nzvimbo yePalermo mu201617 Serie Amwaka. Hiljemark akatamba mumitambo yese makumi matatu nesere yePalermo mumwaka iwoyo. 