Oehlers played youth football for Sporting Almere, ASC Waterwijk and Ajax. In 2017, he moved to the FC Utrecht academy, where he in 2019 signed his first professional contract as a 15-year-old, keeping him at the club until 2023.[1] He made his debut in professional football for Jong FC Utrecht in the Eerste Divisie on 19 December 2020, in the 3–1 away loss to De Graafschap, coming on as a substitute in the 80th minute for Tim Pieters.[2] On 30 April 2021, Oehlers scored his first goal in a 4–0 league win over TOP Oss.[3]
On 29 July 2024, Oehlers signed a three-year contract with FC Volendam.[4]