Ali Nemati started playing professionally with Padideh. The man from Khorasan soon found his way to Persepolis after playing some solid defensive games for his club.

After 3 years with Persepolis and winning a league title he moved south to Ahvaz to play for Foolad Khuzestan in 2024 where he started the season as the central defender..

His eye-catching performance attracted the interest of Team Melli selectors

Nemati made his debut for Team Melli on 10 October 2024 in a World Cup qualifier against Uzbekistan at the Milliy Stadium. He played the full game in a 0–0 draw. Five days later, he was playing his second game in Dubai against the AFC Asian Cup holder Qatar, where Nemati was one of the star players despite an initial lapse of concentration where he was outpaced my Almoez Ali of Qatar to open the scoring in the match. Iran ended up trouncing Qatar 4-1