[9] As a sophomore, he averaged 13 points, 7.8 rebounds and 1.7 blocks per game, repeating on the Second-team All-Mountain West and All-Defensive Team.
[11] On 12 March, he tallied 18 points, 14 rebounds and a school-record nine blocks in a 62–50 win against Colorado State at the Mountain West tournament semifinals.
[17] On 8 August 2021, he signed a two-way contract with Sacramento, splitting time with their NBA G League affiliate, the Stockton Kings.
Queta was a regular presence in all the games of the Californian team, which had not won the Las Vegas tournament since 2014, the year in which they defeated the Houston Rockets.
On 17 December 2021, Queta made his NBA debut against the Memphis Grizzlies, grabbing five rebounds and adding an assist and a block.
[22] Even though he was not a regular option for the Sacramento Kings, Neemias Queta was the Californian team's most voted player for the 2022 NBA All Star Game.
[25] On 26 November 2023, Queta contributed with seven points and a personal record of 10 rebounds in the NBA to the Boston Celtics' home victory over the Atlanta Hawks (113–103).
[26] On 19 December, in the Boston Celtics' 132–126 loss to the Golden State Warriors, Queta recorded his first double-double by notching 10 points and 10 rebounds in 21 minutes on the floor.
[27] In the last game of the regular season on 14 April 2024, a 132–122 victory over the Washington Wizards, Queta scored 19 points and tallied nine rebounds, six blocks and one assist in just 19 minutes of playing time.
[28] On 7 May, Queta made his debut in the NBA playoffs with 2 points and 2 rebounds in just under 3 minutes of play, in the victory against the Cleveland Cavaliers (120–95).
[31] Queta represented Portugal at the 2017 FIBA U18 European Championship Division B in Estonia, where he averaged 10.2 points, 8.6 rebounds, and 1.2 blocks per game.