On 24 January 2014, Sesay joined Colchester United on loan for the rest of the season.[4] Finally on 26 February, he made his debut for the club in a 1–0 loss against Sheffield United coming as a 46th-minute substitute for Brian Wilson.[5]
Sesay signed for Barnet in an 18-month deal on 15 January 2016.[7] He was released by mutual consent on 31 January 2017 after only five league appearances in the 2016–17 season.[8]
IK Frej
After interest from AFC Eskilstuna in January 2017,[9] Sesay joined IK Frej the following month.[10] He departed the club midway through the 2018 season after playing a leading role and Captaining the team on several occasions.[11]
Chania FC
On 6 August 2018, Sesay joined Football League Greece side Chania.[12] Sesay finished the season as the player of the year for Chania helping the team to 12 clean sheets in 25 of his appearances in the Greek Football League.
Sesay is a player who completes the PSIS foreign legion 2022–23 Liga 1 season. This Sierra Leone national team player was brought in by PSIS management so that the back line was more solid.[19]
^"Στην ομάδα μας ο Alie Sesay" [In our team is Alie Sesay] (in Greek). aoxania-kissamikos.gr. 6 August 2018. Archived from the original on 20 October 2019. Retrieved 8 August 2018.