Firmware Engineer - Senior

About this Job: Own Android firmware for kiosk/media devices built on Rockchip and similar SoCs. Company Overview OptiSigns is the leading digital signage company in North America, with over 30,500 customers in 121 countries. Our cloud-based platform helps organizations manage screens and content across retail, hospitality, education, and corporate environments. We are a fast-growing, customer-obsessed team building simple, scalable, and reliable products. The Role: Firmware Engineer Customize Android firmware for kiosk devices; ensure security and stability; collaborate with hardware, QA, and manufacturing. Key Responsibilities • Develop and maintain Android firmware (AOSP) for Rockchip‑based devices. • Integrate drivers, peripherals, bootloaders, and secure update mechanisms. • Optimize performance, thermals, and power management. • Partner with QA to reproduce field issues; drive fixes and releases.