He has previously played for the Broncos in the Championship,[4] spending time on loan from London at Oxford in Kingstone Press League 1.

[citation needed] Bienek has spent the majority of his time at Hull FC out on loan to the London Broncos, Doncaster, Batley & Leigh.

[citation needed] It was announced on 24 November 2020 that Bienek had joined the Castleford Tigers on an initial one-year deal.

[6] He made his Castleford début, coming off the interchange bench, on 16 Apr 2021 (Round 3) in the 52-16 home victory over the Leigh Centurions.

[7] On 15 October 2023, he played in the London Broncos upset Million Pound Game victory over Toulouse Olympique.