[6] In August 2015, Jamadar sentenced Mahmudur Rahman, editor of Amar Desh, to three years imprisonment for failure to submit his wealth statement to the Anti-Corruption Commission.
[3][8] In November 2017, Jamadar and Justice Amir Hossain, in an International Crimes Tribunal-1 bench headed by Justice Md Shahinur Islam, sentenced five to death including a former member of parliament and Bangladesh Jamaat-e-Islami politician Abu Saleh Md Abdul Aziz Mia.
[10] to In March 2018, Jamadar and Justice Amir Hossain, in an International Crimes Tribunal-1 bench headed by Justice Md Shahinur Islam, sentenced three people from Noakhali District who had served in the Razakar to death war crimes during Bangladesh Liberation War.
[19] In December 2019, Jamadar and Justice Amir Hossain, in an International Crimes Tribunal-1 bench headed by Justice Md Shahinur Islam, sentenced Abdus Sattar, a member of Islami Chhatra Sangha and Razakar, to death for war crimes, related to the killing of Babar Mandal and attack on Talaimari village.
[20] On 30 May 2020, Jamadar was made a permanent judge of the High Court Division by President Md Abdul Hamid.
[3] He was the director of the Deutsche Gesellschaft für Internationale Zusammenarbeit sponsored Justice Reform and Corruption Prevention Project.