Tubutis has competed with the Lithuanian junior national teams on multiple occasions.

[1] Tubutis made his professional career debut with Vilnius Citus/VKC team in RKL.

[3] On 26 August 2021 he signed with ZZ Leiden of the Dutch Basketball League (DBL).

In July 2022, Tubutis signed with the German team Skyliners Frankfurt of the Basketball Bundesliga.

[6] On 1 February 2024, Tubutis signed with M Basket Mažeikiai of the Lithuanian Basketball League (LKL).