Since 18 September 2021[update], he serves as Minister of Justice of Albania in the third Rama government led by Prime Minister Edi Rama and as Member of Parliament (MP) for Tirana.

[4] During the years 1999 to 2019 he has completed various trainings in Poland, Denmark, Italy and Germany in the fields of the rule of law, investigation of organized crime and corruption, management and control of the Prosecution system, and on the treatment of convicts in the penal system.

[5] From the year 2013 forward, Manja has been serving as a Member of the Parliament with the Socialist Party.

Concurrently, has also held the function of the Chairman of the Law Commission for a period of time until 2021.

[4] On September 18th, 2021, Manja was appointed as Minister of Justice by Prime Minister Edi Rama making him part of the Rama III government cabinet[6] which was elected on 25 April 2021 in the Albanian Parliamentary election.