Sajib Roy works as an Electronic Engineer at Z-Pulse, specializing in testing textile- and polymer-based triboelectric nanogenerator (TENG) sensors. His primary responsibilities include evaluating the performance and reliability of flexible TENG devices through mechanical and electrical testing under various conditions. This involves analyzing signal output, assessing sensitivity, and examining the durability of materials used in wearable systems. The goal is to support the development of high-efficiency, application-ready sensors for motion detection, energy harvesting, and other smart textile technologies.