Embedded Firmware Engineer

Simbex LLC
Lebanon, United States of America
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Intermediate
Compensation
$ 140K

Job location

Lebanon, United States of America

Tech stack

Board Bringup
ARM
Azure
Bluetooth Low Energy (Bluetooth)
C++
Software Quality
Communications Protocols
Computer Programming
Computer Engineering
Continuous Integration
Software Debugging
Embedded Software
Firmware
Hardware Design
Message Queuing Telemetry Transport (MQTT)
Real-Time Operating Systems
Sensor Fusion
Signal Processing
Systems Integration
Universal Asynchronous Receiver/Transmitter
USB
Serial Peripheral Interface
Peripherals
System-level Testing
Wireless Technologies

Job description

Simbex is seeking an Embedded Firmware Engineer to develop production firmware for next-generation IoT wearable devices. In this role, you will build embedded software for low-power connected systems, integrate sensors and wireless technologies, and collaborate closely with electrical engineers to bring new hardware platforms to life. You'll play a key role in delivering reliable, high-performance firmware for innovative wearable products., Firmware Development

  • Design, develop, and maintain embedded firmware using C/C++
  • Develop firmware for ARM Cortex-M microcontrollers using an RTOS (Zephyr preferred)
  • Implement drivers and interfaces for peripherals including SPI, I2C, UART,
  • USB, and GPIO
  • Support board bring-up and hardware integration activities

Wireless & IoT

  • Develop Bluetooth Low Energy (BLE) applications for device communication and configuration
  • Implement over-the-air (OTA) firmware update capabilities
  • Support cloud connectivity using IoT communication protocols such as MQTT or CoAP
  • Optimize firmware for low-power operation

Sensor Integration

  • Integrate IMUs and other embedded sensors into production firmware
  • Support sensor fusion and motion-processing algorithms
  • Collaborate with algorithm developers to implement and optimize embedded solutions

Testing & Quality

  • Develop and execute unit, integration, and system-level tests
  • Troubleshoot firmware and hardware integration issues
  • Contribute to CI/CD workflows and software quality practices
  • Maintain technical documentation and support product verification activities

Requirements

  • BS in Computer Engineering, Electrical Engineering, Embedded Systems, or related field
  • 3-6 years of embedded firmware development experience
  • Strong C/C++ programming skills
  • Experience developing firmware for ARM Cortex-M microcontrollers
  • Experience with an RTOS (Zephyr preferred)
  • Experience with SPI, I2C, UART, USB, GPIO, and embedded peripherals
  • Experience with Bluetooth Low Energy (BLE)
  • Strong debugging and problem-solving skills

Preferred Qualifications

  • Experience with Zephyr RTOS
  • Experience with MCUboot or OTA firmware updates
  • Experience integrating IMUs or other motion sensors
  • Familiarity with sensor fusion or embedded signal processing
  • Experience with AWS IoT Core, Azure IoT Hub, or similar cloud platforms
  • Experience developing battery-powered or wearable IoT devices

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