He is on the books of Grasshopper and wears shirt number 50. His main role on the pitch is Goalkeeper. His stronger foot is Right. His estimated market valuation currently stands at 100K €.

His latest transfer saw him join Grasshopper from FC Rapperswil-Jona via Loan on 2025-12-31.

In the Switzerland Super League 2024-2025, Laurent Seji played 1 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.