He is on the books of Inter Milan U19 and wears shirt number 20. His main role on the pitch is Forward. His stronger foot is Right. His estimated market valuation currently stands at 200K €.

His latest transfer saw him join Inter Milan Primavera from Inter Under 18 via on 2025-06-30.

During the UEFA European U19 Football Championship 2025-2026 campaign, Roberts Kukulis made 1 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.