Firmware & IoT Embedded Systems Engineer

7 days ago

Cairo, Cairo, Egypt ZHome Full time $60,000 - $120,000 per year

Company Description

ZHome is the leading expert for all connected products, offering a complete platform and solution for making your home smarter and your life more connected. We are expanding into more IoT applications and building a team of experts for exciting projects in different IoT use cases (Mining industry, Robotics, Utilities, Agriculture, Water management...)

Role Description

  • Develop, customize, and maintain firmware for the
    Senseceiver 4-20mA, Modbus
    hardware
  • Interface with
    4–20mA/ Modbus industrial sensors
    , ADCs, and embedded peripherals
  • Handle
    cloud connectivity
    : integrate with
    AWS IoT
    and
    Cumulocity IoT
    using
    MQTT over LTE/CAT-M
  • Configure and manage
    sensor thresholds
    , local actions, and digital output triggers
  • Implement firmware OTA updates, USB configuration tools, and MQTT messaging formats
  • Manage edge logic to trigger alerts based on sensor readings and send structured cloud payloads

Develop firmware and embedded Linux applications for
Gateworks SBCs
(NXP i.MX8-based)

Integrate with robotic control systems and sensors over industrial interfaces (CAN, UART, GPIO, Ethernet)

Design real-time communication modules between sensors, actuators, and the robot's control systems

Build robust API or data communication layers to sync with higher-level robot applications

Ensure reliable, secure boot and OTA mechanisms on embedded Linux systems

Assist with rugged field testing, deployment, and system hardening for railway environments

Requirements:

  • Bachelor's degree in
    Electronics, Computer Engineering, Mechatronics
    , or related field
  • 4+ years experience
    in firmware and embedded software development
  • Proficiency in
    C/C++
    for microcontrollers (STM32, NXP, etc.)
  • Experience with
    embedded Linux
    systems and drivers (Yocto, Buildroot preferred)
  • Experience with
    MQTT
    ,
    modem AT commands
    , and
    cloud communication protocols
  • Strong understanding of
    sensor interfaces
    : 4-20mA, ADC, UART, SPI, I2C
  • Experience working with
    AWS IoT
    ,
    Azure IoT Hub
    , or
    Cumulocity IoT
  • Familiar with
    Gateworks or similar SBCs
    (e.g., Raspberry Pi, BeagleBone, i.MX8 boards)
  • Able to read and understand hardware schematics and interface documentation
  • Experience with
    real-time debugging, field testing
    , and performance optimization

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