Smans returned to the VVV-Venlo youth academy in 2020 from amateur club SHH, after having already played for the club at under-10 and 11 levels. Ahead of the 2021–22 season, he was promoted to the first team alongside six other academy players.[3] On 13 August 2021, he made his professional debut under head coach Jos Luhukay, replacing Joeri Schroyen in a 2–1 away loss to TOP Oss.[4] He scored his first goal in a league game against Dordrecht on 5 September, which proved to be the winner as the match ended 1–0.[5] On 15 September, Smans signed his first professional contract with VVV until 2025.[6]
Smans impressed during his first season at VVV-Venlo,[7] receiving the Jan Klaassens Award [nl] in August 2022, the yearly award for VVV's best academy player.[8] The award was presented to him by technical director Willem Janssen, who had himself been the first recipient of the award in 2004.[1]
Heerenveen
On 24 May 2024, Heerenveen announced an agreement for the signing of Smans on a four-year deal, to be effective as of 1 July 2024.[9] The fee was undisclosed by the club, but reported to be several hundred thousand euros.[10]