Sadik began his career with the
Mohammed VI Football Academy before joining the
Juvenil A team of
RCD Espanyol on 26 August 2022. He made his senior debut with
the reserves on 20 May 2023, coming on as a second-half
substitute in a 1–0 home loss to
Atlético Madrid B, in the
2023 Segunda Federación play-offs. On 31 July 2023, Espanyol announced an agreement with Mohammed VI for the purchase of Sadik, with the player signing a four-year deal with the
Pericos. He scored his first senior goal on 10 September, netting the B's equalizer in a 2–1 away loss to
CF La Nucía; he was
sent off later in the match. Sadik made his first team debut on 31 October 2023, starting in a 2–0 win at
CD Mensajero, for
the season's
Copa del Rey. His professional debut occurred on 5 December, as he started in a 3–1 home success over
Real Valladolid, also for the national cup. On 9 July 2025, Sadik joined
Pau FC, competing in
Ligue 2, on a season-long loan for the
2025–26 season. ==International career==