[8] On 2 August 2022, Kariniauskas signed a one-year deal with Brose Bamberg of the German Basketball Bundesliga.
[10] On 14 September 2023, Kariniauskas signed a two-year contract with BC Wolves of the Lithuanian Basketball League (LKL) and the EuroCup.
In 2015 ,he was included into the Lithuania men's national basketball team head coach Jonas Kazlauskas extended candidates list.
[14] Firstly, Kariniauskas did not qualify for the Olympic roster, but later on he replaced Edgaras Ulanovas due to injury.
On 3 September 2023, he scored a team-high 15 points, along with four rebounds and two assists, leading Lithuania to a 110–104 win over the United States.