Born in
Kozhikode, Leon started his youth career at
Bengaluru B After one year in the academy and the reserves team he was promoted to the senior squad of
Bengaluru and was named in the 30 men squad for the 2018
AFC Cup by
Albert Roca. He made his professional debut for the senior side in the
AFC Cup against
Abahani Limited Dhaka on 14 March 2018 as he came off the bench in the second half of the match which Bengaluru won by 1–0.
Punjab FC Augustine joined
Punjab FC in 2023. He scored his first goal against Odisha FC in September 2024 in the Indian Super League. == Career statistics ==