MCU Firmware Engineer

Reposted 20 Days Ago
Be an Early Applicant
Taipei City, TWN
In-Office
Mid level
Security
The Role
Design, develop, and debug real-time embedded firmware for IoT systems. Maintain and optimize RTOS-based firmware, collaborate cross-functionally, contribute to system architecture, document designs, perform code reviews, troubleshoot firmware issues, and support production validation and calibration.
Summary Generated by Built In

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 Connect 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.

 Responsibilities
  • Design, develop, and debug real-time embedded firmware for IoT systems, including gateways, lighting control, and environmental monitoring and control solutions.
  • Maintain, optimize, and improve firmware for existing RTOS-based devices.
  • Collaborate cross-functionally with BSP, HW, ID, Backend, Mobile, FE, PM, and PA teams to deliver high-quality products.
  • Contribute to system-level architecture decisions for multi-module communication
  • Document software architecture, tuning methods, and test results.
  • Perform code reviews, ensuring best practices in coding standards.
  • Participate in troubleshooting and root-cause analysis for firmware issues.
  • Collaborate with QA and manufacturing teams for production firmware validation, factory firmware, and calibration procedures.
Requirement
  • Strong knowledge of networking fundamentals and protocols like TCP/IP (IPv4 and IPv6), socket programming, and higher-level protocols such as HTTP, WebSockets, or MQTT used in IoT systems.
  • Experience developing firmware in a Real-Time Operating System (RTOS) environment (such as FreeRTOS or Zephyr).
  • Proficient in C/C++ programming in embedded environments with RTOS.
  • Understanding of memory management, interrupt handling, and power management in constrained systems.
  • Familiarity with Git version control.
  • A team player, who is self-motivated, loves difficult challenges, and is goal-driven.
Preferred Qualifications
  • Experience with Ethernet, Wi-Fi, BLE, or Thread communication protocols.
  • Experience with UART, SPI, I2C, GPIO control, ADC/DAC, PWM, RS485 and other peripheral interfaces.
  • Skilled at defining and implementing custom communication protocols for heterogeneous systems.
  • Experience with CoAP in constrained embedded environments.
  • Experience in low-power firmware design and sensor integration.
  • Experience with OTA update systems, bootloaders, and secure provisioning.
  • Understanding of manufacturing test firmware, hardware calibration, and diagnostic mode implementations.
  • Experience working with ESP-IDF, Silicon Labs Gecko SDK, or Linux-based MCU co-processors.

Skills Required

  • Strong knowledge of networking fundamentals and protocols like TCP/IP (IPv4 and IPv6), socket programming, and higher-level protocols such as HTTP, WebSockets, or MQTT used in IoT systems.
  • Experience developing firmware in a Real-Time Operating System (RTOS) environment (such as FreeRTOS or Zephyr).
  • Proficient in C/C++ programming in embedded environments with RTOS.
  • Understanding of memory management, interrupt handling, and power management in constrained systems.
  • Familiarity with Git version control.
  • A team player, who is self-motivated, loves difficult challenges, and is goal-driven.
  • Experience with Ethernet, Wi-Fi, BLE, or Thread communication protocols.
  • Experience with UART, SPI, I2C, GPIO control, ADC/DAC, PWM, RS485 and other peripheral interfaces.
  • Skilled at defining and implementing custom communication protocols for heterogeneous systems.
  • Experience with CoAP in constrained embedded environments.
  • Experience in low-power firmware design and sensor integration.
  • Experience with OTA update systems, bootloaders, and secure provisioning.
  • Understanding of manufacturing test firmware, hardware calibration, and diagnostic mode implementations.
  • Experience working with ESP-IDF, Silicon Labs Gecko SDK, or Linux-based MCU co-processors.
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The Company
HQ: Los Angeles, CA
350 Employees
Year Founded: 2005

What We Do

<p style="box-sizing: border-box; margin: 0px 0px 9px; color: rgb(54, 54, 54); font-family: OpenSans, Helvetica, Arial, sans-serif; line-height: 18.5714092254639px;"><span style="line-height: 18.5714092254639px;">Ubiquiti Networks is a next-generation communications technology company founded in 2005. We design and manufacture disruptive technology platforms for emerging markets that drive profitable business models and enable ubiquitous connectivity. Our technology platforms such as airMAX, airFiber, UniFi, airVision, and mFi, focus on unparalleled user experience combined with Industry leading performance at disruptive cost points.</span></p><p style="box-sizing: border-box; margin: 0px 0px 9px; color: rgb(54, 54, 54); font-family: OpenSans, Helvetica, Arial, sans-serif; line-height: 18.5714092254639px;"><span style="box-sizing: border-box;">Ubiquiti Networks’ User Interface Lab is a highly motivated group of designers, developers and product strategists. We are based in Los Angeles, collaborating with teams throughout the U.S. and across the globe to build powerful, innovative, and intuitive applications. Our software is used to interface with Ubiquiti hardware and provide robust, scalable business operations platforms for our customers.</span></p><div>&nbsp;</div>

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