2014 - Till date: Assistant Professor, Business Mathematics and Statistics, Department of Commerce, St. Xavier's College, Kolkata, India.

Session 2014 - 2015: Guest Faculty, M. Phil. course, School of Cognitive Science, Jadavpur University, Kolkata, India.

Session 2013 - 2014: Guest Faculty, M. Sc. in Mathematics, Department of Mathematics, Presidency University, Kolkata, India.

Session 2013 - 2014: Guest Faculty, M.Phil. course, School of Cognitive Science, Jadavpur University, Kolkata, India.

2008 - 2009: Lecturer, Mathematics Department, Bachelor of Technology Division, Pailan College of Management and Technology, Kolkata, India.

Pesquisador Visitante, Institute of Philosophy and Human Sciences, University of Campinas, Brazil, funded by FAPESP, duration: 16 October, 2019 - 15 October, 2020.

Senior Research Fellow, Department of Pure Mathematics, University of Calcutta, India, funded by the Council of Scientific and Industrial Research,  duration: 15 October, 2011 - 31 March, 2014.

Junior Research Fellow, Department of Pure Mathematics, University of Calcutta, India, funded by the Council of Scientific and Industrial Research, duration: 15 October, 2009 - 14 October, 2011.

Visiting PhD student, Institute for Logic, Language and Computation (ILLC), University of Amsterdam, The Netherlands, funded by the Erasmus Mundus External Cooperation Window (EMECW 13), duration: 1 September, 2010 - 31 August, 2011.