Jansen made his professional debut for
Excelsior on 5 August 2011, as he replaced
Jason Oost in the 79th minute of the
Eredivisie home match against
Feyenoord (2–0). In 2019, he played for
Gol Gohar in Iran. On 25 June 2020,
FC Dordrecht confirmed the signing of Jansen on a two-year deal. In June 2021, it was announced that Jansen had signed with
Cypriot First Division club
PAEEK. On 29 December 2021,
Honka in Finland announced that they had signed with Jansen on a two-year deal, starting in January 2022. His contract was extended on 1 August 2023, on a deal until the end of 2025. After the 2023 season, Honka was suddenly declared for bankruptcy, and Jansen became a free agent. On 3 January 2024, a fellow
Veikkausliiga club
Inter Turku announced the signing of Jansen on a one-year deal, with an option for an additional year. Jansen will reunite with
Vesa Vasara, his previous head coach in Honka. On 24 January 2025, Jansen started as a player-coach of Inter Turku reserve team in thir-tier
Ykkönen. == Career statistics ==