Senior Embedded Firmware Engineer - IoT & Energy Systems

Motion Recruitment

California (MO)

On-site

USD 130,000 - 190,000

Full time

14 days+

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Benefits offered by this job

Benefits

Job summary

Motion Recruitment seeks a Senior Software Engineer to develop embedded firmware for an intelligent energy management platform. You will work across base and application firmware, hardware integration, and IoT connectivity on microcontroller-based products.

The role emphasizes hands-on development with Microchip/STMicrocontrollers, ARM Cortex-M, and RTOSs (FreeRTOS/Zephyr), plus embedded Linux Buildroot. Collaboration with hardware and QA engineers is key to delivering new and sustaining

Qualifications

  • 5+ years in embedded firmware development.
  • 3+ years in hands-on IoT systems development and debugging.
  • Strong C/C++ and Python experience.
  • Experience with ARM Cortex-M, STM32, Microchip or similar MCUs.
  • Experience with Ethernet, USB, SPI, I2C, UART or RS-485.
  • Experience with an RTOS such as FreeRTOS or Zephyr.
  • Experience with embedded Linux systems using Buildroot.
  • Strong debugging with JTAG, SWD, oscilloscopes or logic analyzers.
  • Experience in Agile development environments.

Responsibilities

  • 70% Hands-on engineering writing firmware across base and application layers.
  • 30% Architecture, testing, and cross-functional collaboration.

Skills

Embedded C/C++
Python
ARM Cortex-M
STM32
Microchip
Ethernet/USB/SPI/I2C/UART/RS-485
RTOS (FreeRTOS/Zephyr)
Embedded Linux (Buildroot)
JTAG/Debugging tools
Agile development

Tools

Buildroot
FreeRTOS
Zephyr

Job description

Motion Recruitment seeks a Senior Software Engineer to develop embedded firmware for an intelligent energy management platform. You will work across base and application firmware, hardware integration, and IoT connectivity on microcontroller-based products.

The role emphasizes hands-on development with Microchip/STMicrocontrollers, ARM Cortex-M, and RTOSs (FreeRTOS/Zephyr), plus embedded Linux Buildroot. Collaboration with hardware and QA engineers is key to delivering new and sustaining

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