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Senior Embedded Software Engineer - IOT, Battery Powered, Wifi

GTS Group Ltd
Loughborough
1 week ago
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Senior Embedded Software Engineer (Senior or Principal) — IoT & Space Systems


Join a pioneering team building the next generation of space-powered IoT solutions. My client are developing a highly advanced satellite network that connects billions of devices worldwide — enabling users to sense, track, and act on data anywhere on the planet.


As a Senior Embedded Software Engineer, you’ll design and optimize software for low-power, battery-operated IoT devices that communicate through space-based systems. You’ll focus on performance, power efficiency, system reliability, and automated testing frameworks.


Key Responsibilities

Embedded Development

  • Design, implement, and maintain low-level software including BSPs and device drivers.
  • Optimize firmware for minimal power consumption and reliable real-time performance.
  • Customize and tune RTOS (e.g., FreeRTOS) or embedded Linux kernels.
  • Integrate secure and efficient IoT communication protocols (e.g., MQTT, BLE).

Testing & Automation

  • Develop automated unit, integration, and regression test frameworks.
  • Conduct prototype and hardware-in-the-loop (HIL) testing for validation.
  • Implement CI/CD pipelines using tools such as Jenkins, GitLab CI, or Azure DevOps.
  • Use oscilloscopes, logic and protocol analyzers, and other debugging tools to test embedded systems.

Collaboration & Documentation

  • Work closely with hardware engineers to ensure seamless software–hardware integration.
  • Maintain detailed documentation for development, testing, and validation processes.


Skills & Experience

  • Strong programming skills in C, C++, and Python (Shell/Bash scripting a plus).
  • Proven experience with ARM Cortex, ESP32, or STM32 microcontroller platforms.
  • Knowledge of IoT protocols and secure data transmission.
  • Familiarity with testing frameworks such as Pytest, Robot Framework, or Unity.
  • Understanding of low-power design principles and energy profiling tools.
  • Proficiency with debugging tools like JTAG, GDB, serial debuggers.
  • Experience in automation and CI/CD environments.
  • Solid grasp of version control using Git.


Desirable Extras

  • Experience with Yocto or similar build systems.
  • Understanding of wireless communication (Wi-Fi, Bluetooth, Zigbee, LoRa).
  • Knowledge of SPI, I²C, UART, and GPIO interfaces.
  • Experience with OTA firmware updates and secure bootloaders.
  • Familiarity with hardware simulation and mock testing environments.
  • Exposure to TDD/BDD methodologies.


Qualifications

  • Bachelor’s or Master’s in Computer Science, Electrical Engineering, or related field.
  • Eligible to work in the UK (no visa sponsorship available).


Why Join

  • Be part of a mission to expand global connectivity and make space technology more sustainable.
  • Work in a culture that values innovation, curiosity, and collaboration.
  • Competitive compensation, professional development, and wellness benefits.

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