[2] In 2006, aged 19, Niță joined Concordia Chiajna and played his first senior matches in the Liga III,[2] the third level of the Romanian league system.

On 16 August 2016, Niță saved one of the two penalty kicks missed by Sergio Agüero in the 0–5 UEFA Champions League play-off loss to Manchester City.

[12] On 9 September 2023, Niță signed a one-year contract with Turkish club Gaziantep,[13] joining several compatriots including manager Marius Șumudică.

[14] On 18 March 2017, following the injury of Silviu Lung Jr., Niță was picked by manager Christoph Daum in Romania's squad for a 2018 FIFA World Cup qualifier against Denmark.

[15] Days before his call-up, former Romanian internationals Helmut Duckadam, Gheorghe Hagi, and Laurențiu Reghecampf stated that his omissal from the squad was "unjust".

[18] After Ciprian Tătărușanu announced his retirement from the national team at the end of 2020, Niță played the full 90 minutes in all three 2022 World Cup qualifying matches against North Macedonia, Germany, and Armenia in March 2021.