1.Assistant Professor & Head of Department, Law | Mar 2024 - Jun 2025 Cox's Bazar International University (CBIU)

2.Lecturer, Department of Law & Justice Bangladesh University of Business & Technology (BUBT)Jun 2019 - Feb 2024

3.Lecturer, Department of Law Southern University Bangladesh(Jul 2014- Oct 2017)

Labour law,Law of Evidence ,Human rights.

1. K.Mustarin"Addressing Sexual Harassment in Tertiary Level Education in Chattogram, Journal of Education and Development', Vol.1, 2016.
2. K.Mustarin''The Glass Ceiling as a Threat to Gender Equality in Bangladesh, BAUET Journal', Vol.3, Issue 1, 2021.https://journal.bauet.ac.bd/wp-content/uploads/2021/12/Art-13.pdf
3. K.Mustarin,K Kubra ''Implementation of Labor Rights: A Study on Construction Workers, BAUET Journal'', Vol.3, Issue 2, 2022.https://journal.bauet.ac.bd/volume-03-issue-02/
4. Shanat and Mustarin ''Workplace Atmosphere in RMG Sector for Female Workers, BAUST Journal''Vol.2, Issue 2, 2022.https://baust.edu.bd/journal/wp-content/uploads/sites/31/2024/01/V2_S2_6.pdf
5. K.Mustarin,A.A.Fahim "The Impact of Climate Change and Economic Insecurity on Child Labor (Cox's Bazar) "Pundra University Journal, Vol.3, Issue 2.https://pundrauniversity.ac.bd/journals 
6. Bangladesh’s Response to Human Rights Violations of Rohingya Women and Children: A Study Vol. 1 No. I (2025): PEARL-2025.https://pearl.cbiu.ac.bd/index.php/pearl/en/article/view/8

K.Mustarin,F.KantaAppraising the Impact of Air Transport Industry on Environment, Conference on Aviation & Space Law, 2023.

1.Member ,Chittagong District Bar