- Visiting Research Scientist, Centre of New Technologies, University of Warsaw, Poland, in 2019.
- Visiting Research Scientist, Centre of New Technologies, University of Warsaw, Poland, in 2017.
- Assistant Professor, Computer Science and Engineering, National Institute of Technical Teachers' Training and Research, Kolkata, West Bengal, from 2015 onward.
- ERCIM Postdoctoral Researcher, Institute of Informatics and Telematics (IIT) - National Research Council (CNR), Pisa, Italy, in 2015.
- ERCIM Postdoctoral Researcher, Institute of Computer Science, University of Wroclaw, Wroclaw, Poland, from 2014 to 2015.
- Visiting Research Scientist, National Research Institute for Mathematics and Computer Science (CWI), Amsterdam, Netherlands, in 2015.
- Visiting Research Scientist, French Institute for Research in Computer Science and Automation (INRIA), Lozere, Saclay-Paris, France, in 2015.
- Visiting Research Scientist, National Research Council (CNR) - Institute of Informatics and Telematics (IIT), Pisa, Italy, in 2014.
- Visiting Research Scientist, Interdisciplinary Centre for Mathematical and Computational Modelling (ICM), University of Warsaw, Warsaw, Poland, in 2014.
- UGC Research Scholar, Department of Computer Science and Engineering, Jadavpur University, Kolkata, India, from 2013 to 2014.
- National Doctoral Fellow, Department of Computer Science and Engineering, Jadavpur University, Kolkata, India, from 2012 to 2013.
- Research Scholar, Interdisciplinary Centre for Mathematical and Computational Modelling (ICM), University of Warsaw, Warsaw, Poland, from 2009 to 2012.
- National Doctoral Fellow, Department of Computer Science and Engineering, Jadavpur University, Kolkata, India, in 2009.
- Lecturer, Department of Information Technology, Academy of Technology, Aedconagar, Hooghly, West Bengal, India, from 2008 to 2009.
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