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.

Requirements...