LocationHo Chi Minh City, Ho Chi Minh City, Vietnam
Work modeon-site
Typefull-time
SenioritySenior
Experience5+ yrs
Company size51–200 people
PostedNov 14, 2025 · 11mo ago
Verified live22m ago
At a glanceSummarised by Seekless from the posting.
Must have4
5+ years in firmware/embedded Android on ARM SoCs (Rockchip preferred)
Strong C/C++/Java, BSP/bootloader knowledge, and Linux/Android internals
Experience with device provisioning, secure boot, and OTA
Professional English proficiency required
Skills
AOSP
Rockchip
ARM
C
C++
Java
BSP
bootloader
Linux
Android
OTA
Benefits
Health insurance
Career development
Flexible hours
Equipment
About the role
About this Job:
Own Android firmware for kiosk/media devices built on Rockchip and similar SoCs.
About the company
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.
Responsibilities
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
• 5+ years in firmware/embedded Android on ARM SoCs (Rockchip preferred).
• Strong C/C++/Java, BSP/bootloader knowledge, and Linux/Android internals.
• Experience with device provisioning, secure boot, and OTA.
• Professional English proficiency required.
Work Arrangement & Location
• On-site, in-office role in Ho Chi Minh City, Vietnam.
Benefits
•
13th month
•
Comprehensive healthcare insurance package MacBook / Windows laptops, monitors, and other necessary equipment to support your work.
•
Yearly team outings and events. Detailed induction, training, and on-going career development.
•
Opportunities for overseas training and travel.
•
English training programs to enhance your skills.
•
Flexible working hours from Monday to Friday.
•
Free drinks, snacks, parking, and access to internal clubs.