Sharon Topaz contributed to the lowRISC/opentitan repository by enhancing SPI device testing capabilities. She focused on improving verification fidelity by configuring SPI device pad attributes for strong drive strength and fast slew rate, which supports more reliable hardware testing and earlier detection of integration issues. Sharon also addressed build-system hygiene by implementing a lint fix for the BUILD file, ensuring clean builds and stable continuous integration. Her work demonstrated proficiency in embedded systems, hardware testing, and SPI communication, all implemented in C. The depth of her contribution lies in targeted improvements that strengthen test reliability and maintainability within the hardware verification workflow.