Arijit has been associated with the K-12 education domain for over two decades now. Having a rich experience in the fields of policy advocacy, academic research, teacher training, large-scale assessments, teacher audits, curriculum design on 21st-century skills, and digital innovation in work space, his biggest strengths lie in mentoring action researchers to bring changes in the classrooms and guiding leaders to bring about systemic changes in their institutions, challenging the status quo. He has successfully managed several capacity-building programs, mainly in 21st-century skills involving organizations like DfID, MacArthur Foundation, UNICEF, and multiple state governments.

Arijit was awarded the global teacher accreditation award by the Cambridge Foundation in 2014 for his work on critical thinking skills. Having started his career as a teacher, he has held senior positions at Macmillan Publishers India Limited, Pearson Education, British Council India, and Education Quality Foundation of India. He is currently the Vice President at Seth M.R. Jaipuria Group, where he oversees the academics for the entire group and works towards empowering the institutions to improve their quality of teaching and learning. He is a certified trainer of Core Skills for the British Council and has also served as a trainer for officers of the Central Bureau of Investigation (CBI). He is also the adviser for Global Citizenship Education Foundation and Persona Education, UK.

Arijit is on the Corporate Advisory Board of the School of Education in Lovely Professional University, Punjab. He is a regular speaker at several national and international conferences and writes for educational magazines. During the pandemic times, Arijit has led the Education Quality Foundation of India in designing unique assessment modules and also framed a social and emotional well-being self-assessment framework for all individuals.