He is on the books of Hegelmann Litauen II and wears shirt number 16. At international level, he features for Lithuania U17. His main role on the pitch is Forward.

During the Lithuanian I Lyga 2025 campaign, Arnas·Spycius made 23 appearances, scoring 2 goals and adding 0 assists. He averaged 0.1 goals per match from 0 shots, with 0 on target.