Embedded systems and firmware, Systems software (Linux and Windows kernel, device drivers), Security engineering, Trusted execution environments (TrustZone, secure enclaves), Virtualization and hypervisors, Reverse engineering and vulnerability analysis, Low-level and firmware development (UEFI, RTOS, bare-metal), C/C++/Python.

Hands-on experience building HIPAA-compliant, class 'B' medical diagnostic devices, including viral-disease testing hardware, with a focus on data security and medical-device regulatory compliance.