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Firmware Engineer - Senior

OptiSigns Inc. · English: C1 · Pro AV & Digital Signage · Bachelor's Degree · Java · C++ · 11 months ago

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Salary

≈ $16k – $36k per year (Estimated)

Location

In office (Ho Chi Minh City)

Seniority

Senior

Employment

Full-Time

Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Nov 14, 2025. OptiSigns Inc. scores D on the Alion truth index.

Overview

Company

Impact

Profile match

OptiSigns Inc.

Transform any screen into a powerful dynamic display with digital signage software. Engage audiences, boost sales and manage content easily.

optisigns.com · HQ: Houston, United States · Pro AV & Digital Signage · 1001-5000 employees

Tech stack of OptiSigns Inc.

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

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.

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