Falkenberg Sylisufaj as a six-year-old started playing football at
Falkenberg. On 15 October 2016, he was named as a Falkenberg substitute for the first time in a
Allsvenskan match against
GIF Sundsvall. Eight days later, Sylisufaj became the first player born in the 21st century to play in the Allsvenskan after he made his debut in a 2–1 away defeat against
Norrköping after coming on as a substitute at 89th minute in place of
Enock Kwakwa. On 4 January 2017, Sylisufaj signed his first professional contract with first team of Falkenberg after agreeing to a three-year deal.
Sirius Period as loaned On 6 August 2021, Sylisufaj was loaned to
Allsvenskan side
Sirius until the end of the season. Three days later, he made his debut in a 0–0 away draw against
Varbergs BoIS after coming on as a substitute at 75th minute in place of
Christian Kouakou. Ten days after debut, Sylisufaj scored his first goal for Sirius in his third appearance for the club in a 3–2 away win over
Täby in
2021–22 Svenska Cupen second round.
Return as a permanent player On 3 January 2022, Sylisufaj signed a three-year contract with
Allsvenskan club
Sirius. ==International career==