Embedded Firmware Engineer (Access)

About Ubiquiti

At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to the next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT.

At Ubiquiti, you’ll heighten your potential and broaden your horizons, all while shaping the future of connectivity.
 

Role Summary

As part of the Access Firmware team, you’ll work in a fast-paced, innovation-driven environment. We believe in challenging assumptions, breaking limitations, and creating elegant solutions to complex problems. We’re not just building products—we’re building what’s next.

Ready to bring bold ideas to life? Join us and help redefine how the world connects.

• Work as part of a global, cross-functional team of firmware, hardware, and product engineers to develop cutting-edge access control products and technologies
• Design, implement, and maintain embedded firmware for current and next-generation access devices (readers, hubs, controllers)
• Enhance and optimize existing firmware for performance, stability, and security
• Participate in code reviews to ensure adherence to best practices and maintain high code quality standards
• Collaborate closely with BSP, Hardware, Backend, Mobile, and Product Assurance (PA) teams throughout the product development lifecycle
• Diagnose, troubleshoot, and perform root-cause analysis of firmware and system-level issues
• Support manufacturing and production validation by resolving firmware-related issues and assisting with firmware update pipelines

• 3+ years embedded firmware development experience with C
• Good knowledge of network protocols (TCP/IP, HTTP, Websocket, TLS/SSL)
• Experience with microcontrollers, SoCs, embedded Linux and RTOS
• Experience with access control systems (e.g., card readers, NFC, mobile unlocking)
• Knowledge of Git version control system

• Experience with Linux application development and OpenWRT/Yocto build systems
• Good understanding of Layer 2 networking and device-to-device communication
• Familiarity with security best practices for IoT and access control firmware (secure boot, encrypted communication, key management)
• Knowledge of NFC, BLE, cryptographic algorithms, Golang, and MCU architecture is a plus
• Proficiency with hardware interfaces and protocols: GPIO, USB, UART, PWM, Flash, SPI, I²C, etc.
• Contributions to open-source embedded projects (e.g., OpenWRT, ESP-IDF, Zephyr) are a strong advantage

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