Chowdhury became a lawyer in the District Courts in 1986. On 31 July 2021, Chowdhury was appointed an additional judge of the High Court Division. He and the ten other newly appointed judges went to Tungipara to pay homage at the mausoleum of former President
Sheikh Mujibur Rahman. In May 2023, Chowdhury and Justice
KM Kamrul Kader asked the Legislative and Parliamentary Affairs Division to explain why laws still had Pakistan and
East Pakistan written in them despite Bangladesh becoming an independent country. Chowdhury and Justice KM Kamrul Kader summoned the
Narayanganj District Commissioner for failure to demolish illegal brickkilns following a verdict of the court. Chowdhury and Justice KM Kamrul Kader ordered all 16 cases, filed in different districts, against
Bangladesh Nationalist Party politician Abu Sayeed Chand for allegedly making death threats against Prime Minister
Sheikh Hasina be heard in a single court case in Rajshahi. ==References==