He is on the books of SC Telstar and wears shirt number 9. His main role on the pitch is Forward. His estimated market valuation currently stands at 250K €.

His latest transfer saw him join SC Telstar from Sparta Rotterdam U21 via Free on 2026-02-03. The move was reported at 0.2M €.

During the Netherlands Eredivisie 2025-2026 campaign, Jelani Seedorf made 7 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 3 shots, with 2 on target.