5+ years of experience in firmware development, specializing in microcontrollers, RTOS, and low-level hardware-software integration. Shipped firmware for secure, OTA-upgradable products at scale (10k–20k+ devices). Strong background in end-to-end development: from firmware, operating systems, wireless protocol stacks to system architecture, production acceptance tests, CI/CD (docker containers, unit, integration, and regression testing) and compliance (CE).