Saydee started his career with Premier League club AFC Bournemouth.[4] In 2020, he was sent on loan to Poole Town in the English seventh division.[5] After that, Saydee was sent on loan to English fifth division club Weymouth.[6] On 31 July 2021, he debuted for Bournemouth during a 5–0 win over MK Dons, scoring a goal and getting an assist on his debut for the club.[2] Saydee made his league debut for the Cherries in the opening fixture of the season; a 2–2 home draw against West Brom.[7]
On 1 September 2022, Saydee joined EFL League One side Shrewsbury Town on loan for the 2022–23 season.[9] Saydee scored his first goal for the club, and his first in the EFL, in a 2–1 loss to Port Vale on 17 September.[10] Saydee's good form in the tail-end of 2022 earned him Shrewsbury Town's player of the month award for December, scoring two goals across a victory against Bolton Wanderers and a loss to Cambridge United. [11] He then scored a career-first brace in senior football, netting two goals in a 4-0 victory against former club Burton Albion on 14 January. [12]