Born in Lagos,[2] Adedoyin began his career with Everton at the age of 10, and moved on loan to Hamilton Academical in July 2019.
[6] In September 2020 he signed for Sheffield Wednesday following a trial period.
[9] He made his senior debut against Newcastle United U21 in the EFL Trophy on 31 August 2021, coming on as a second half substitute to replace Sylla Sow.
[10][11] On 1 February 2022, it was confirmed that Adedoyin had joined Accrington Stanley on a permanent deal.
[14] On 17 October 2024, David joined Scottish Championship club Raith Rovers on a short-term deal until January 2025.