At under-13 level, Jäkel moved from his hometown club Dommitzscher SV Grün-Weiß to the youth academy of RB Leipzig while attending seventh grade at Sportgymnasium Leipzig.[1] In the 2017–18 season he made 19 appearances in the Under 17 Bundesliga, scoring one goal. He also played twice in the play-offs.[2] He also scored one goal the following season, this time playing 20 games in the Under 19 Bundesliga.[3]
On 25 April 2019, Jäkel signed his first professional contract with RB Leipzig.[4] In the 2019–20 season, he captained the Leipzig under-19 team. With them, he appeared in the UEFA Youth League.[5] For the first team, he was included in the squad for the first time on 1 March 2020 against Bayer Leverkusen.[6]
On 20 June 2022, Jäkel moved on a new loan to Arminia Bielefeld, with an option to buy.[9]
On 1 August 2023, Jäkel was loaned out by RB Leipzig once again for a season, to SV Elversberg in 2. Bundesliga.[10] On 7 June 2024, the loan was extended for the 2024–25 season.[11]