He is on the books of Puszcza Niepolomice and wears shirt number 9. His main role on the pitch is Forward. His estimated market valuation currently stands at 150K €.

His latest transfer saw him join Cracovia Krakow from Puszcza Niepolomice via Loan on 2026-06-30.

During the Poland Liga 1 2025-2026 campaign, Kacper·Smiglewski made 20 appearances, scoring 1 goals and adding 0 assists. He averaged 0.1 goals per match from 0 shots, with 0 on target.