Senior Firmware Engineer

Foundation Robotics

• $180K — $260K *
Telecommunications & Hardware
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of firmware development experience in C and C++ for 32-bit microcontrollers.
  • Hands-on expertise with FreeRTOS and bare-metal application builds.
  • Strong knowledge of peripheral communication protocols including I2C, SPI, and CAN-FD.
  • Experience with bootloaders and OTA firmware updates.
  • Proficient in debugging using oscilloscopes and logic analyzers.
  • Familiarity with Git, GCC/Clang, CMake, and debugging tools.
  • Motor control experience is a plus.

Responsibilities

  • Develop, optimize, and maintain firmware for 32-bit microcontrollers.
  • Build applications on FreeRTOS and write drivers for peripherals.
  • Design and implement drivers for various communication protocols.
  • Conduct hardware bring-up processes including power validation and clock checks.
  • Profile firmware for performance metrics like timing and power consumption.
  • Debug complex hardware and firmware issues using various diagnostic tools.
  • Collaborate with hardware engineers on firmware-related design reviews.

Benefits

  • Market standard health, vision, and dental insurance.
  • 401k plan available.
  • Join a culture that emphasizes mission over benefits.
Full Job Description
  • To develop, Develop, optimize, and maintain firmware in C and C++ for 32-bit microcontrollers.
  • Build applications on top of FreeRTOS and write bare-metal drivers.
  • Design and implement peripheral drivers and integrations: I2C, SPI, UART, PWM, ADC, and CAN-FD.
  • Bring up new hardware: validate power rails, clocks, peripherals, and communication buses.
  • Profile and tune firmware for timing, memory footprint, and power consumption.
  • Debug complex hardware/firmware issues at the bench using oscilloscopes, logic analyzersand multimeters.
  • Write clear, testable code with unit tests, on-target tests, and code reviews.
  • Collaborate with hardware engineers on schematic and layout reviews from a firmware perspective.
  • Document designs, bring-up procedures, and known issues.

What Kind of Person We Are Looking For:

  • Strong proficiency in C and modern C++ for embedded targets, including understanding of memory layout, linker scripts, startup code, and ISRs.
  • Hands-on experience building production firmware on FreeRTOS (tasks, queues, semaphores, mutexes, priority inversion, stack sizing) and on bare-metal systems (super-loops, interrupt-driven designs).
  • Solid working knowledge of I2C, SPI, PWM and ADC
  • Practical experience with CAN-FD: frame formats, bit timing, error handling, and integration with higher-layer protocols.
  • Experience with bootloaders, OTA/firmware updates, and secure boot.
  • Demonstrated ability to debug hardware/firmware interactions using oscilloscopes and logic analyzers (e.g., Saleae, Keysight, Tektronix)
  • capturing signals, decoding protocols, and reasoning from waveforms to root cause.
  • Comfortable reading datasheets, reference manuals, and schematics.
  • Proficient with Git, toolchains (GCC/Clang, arm-none-eabi), build systems (CMake/Make), and on-target debuggers (GDB, J-Link, ST-Link, OpenOCD).
  • *Motor control experience: BLDC/PMSM and FOC
  • Zephyr RTOS: device tree, Kconfig, driver model, and writing out-of-tree modules.
  • EtherCat and FoE


Benefits

We provide market standard benefits (health, vision, dental, 401k, etc.). Join us for the culture and the mission, not for the benefits.

Salary

The annual compensation is expected to be between $180,000 - $260,000. Exact compensation may vary based on skills, experience, and location

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