Graduate Teaching Assistant – Dept. of Mathematics & Statistics, Texas Tech University (Sep 2024 – Present)
Assistant Professor – Dept. of Electrical & Electronic Engineering, Daffodil International University (Jun 2023 – Jun 2024, Study Leave)
Assistant Professor – Dept. of General Educational Development, DIU (Feb 2023 – May 2023)
Senior Lecturer – DIU (May 2016 – Jan 2023)
Lecturer – DIU (May 2013 – Apr 2016)
TTU (2025-Present): Working on the Project of "Some multiple-coefficient inverse problems for polyharmonic equations"
BUET (2019–2021): Image Compression via Singular Value Decomposition (SVD)—evaluated image quality (SNR, PSNR, MOS).
University of Dhaka (2010–2011): Stability of Numerical Methods for Nonlinear Volterra Integral Equations – compared Runge–Kutta and Direct Quadrature methods.
University of Dhaka (2008): Bessel and Legendre Functions – explored differential equations and practical applications.
Instructor: Calculus I with Applications (MATH 1451-117), Fall 2025, Texas Tech University
Course design & lecture preparation (including online teaching), DIU
Organized seminars, symposia, and math competitions (e.g., 8th Math Olympiad South Region 2016, DIU Inter-University Math Olympiad 2019)
Convener: DIU Blood Donors Club
Conducted research projects, published papers, and attended academic conferences