Rhoda AI

Rhoda AI

Senior Firmware Engineer

Mountain View · Senior

Sponsorship not specifiedDetected 81 days ago
C++LinuxEmbedded SystemsRoboticsElectrical EngineeringHardware DesignControlsResearchCommunication

About the role

  • We've raised over $450M and are investing aggressively in model research, infrastructure, hardware development, and manufacturing scale-up to make generalist robotics a reality.
  • This role centers on deterministic communication, control-loop synchronization, and embedded software robustness in an EtherCAT environment spanning dozens of joints, sensors, and distributed controllers.
  • This role is an MTS with a clear path to grow!

Responsibilities

  • optimize interrupt and DMA paths
  • Design, implement, and maintain low-level firmware for real-time motion control nodes over EtherCAT
  • Develop synchronization and communication layers ensuring deterministic cycle times (<1ms)
  • Configure and optimize EtherCAT masters and slaves (distributed clocks, mailbox protocols, PDO mapping)
  • Implement real-time safety mechanisms (Safe Torque Off, watchdogs, and heartbeat monitoring)
  • Collaborate with Electronics, Controls, and Systems teams to define timing budgets and data interfaces
  • Develop unit, HIL, and integration tests for firmware validation
  • Profile and optimize ISR and DMA paths to minimize latency and jitter
  • Support bring-up and debugging of custom actuator controllers and sensor boards
  • Select and tune RTOS; define priorities and scheduling; optimize interrupt and DMA paths; harden watchdogs and recovery; measure and guard timing budgets

Requirements

  • Bachelor's or higher in Electrical Engineering, Computer Engineering, or Robotics
  • 2+ years of experience in embedded firmware development for real-time control systems
  • Experience with low-level system interfaces (I2C, SPI, Ethernet, USB, CAN bus)
  • Experience with micro-controller firmware development across ARM Cortex-M and similar architectures
  • Proficiency in C/C++ and experience with low-level debugging (JTAG, logic analyzers, oscilloscopes)
  • Experience with real time operating systems (RTOS) (FreeRTOS, Zephyr RTOS)
  • Demonstrated ability to write reliable, well-structured, and maintainable embedded code in safety-critical environments
  • Experience with GMSL2 and MIPI-CSI2 camera drivers (V4L2).
  • Experience with Field-Oriented Control (FOC) implementation for BLDC motor drives

Nice to have

  • Nice to Have (But Not Required)

Company info

  • At Rhoda AI, we're building the next generation of generalist intelligent robots.
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