He currently plays for Finn Harps, wearing the number 29 shirt. He plays primarily as a Midfield.

His most recent move was a from La Chaux-de-Fonds to Finn Harps on 2026-01-28.

Across 3 appearances in the Ireland First Division 2026, Nathan Lumin registered 1 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.