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Harbinger Motors Logo Harbinger Motors · IT - Software Development

Software Engineer, Firmware (Motor Controls)

United States, Garden Grove 140000.00 - 180000.00 USD / Year · Job Posted December 09, 2025
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Job Description

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids.

Job Responsibility

  • Firmware Development: Design and implement embedded firmware for advanced motor control systems in electric vehicles
  • Board Support Package and Driver configuration: Configure board support packages from microcontroller suppliers for enablement and optimal performance of application software in real-time applications
  • Motor Control Algorithms: Implement and optimize control algorithms including Field-Oriented Control
  • Performance Optimization: Enhance the efficiency of CPU performance, reducing overhead, optimizing memory footprint, and meeting performance and safety goals of the system
  • Testing & Validation: Perform testing, debugging, and validation of firmware using real-time simulation, Hardware-in-the-Loop (HIL)
  • Integration & Debugging: Work closely with hardware, software, and power electronics teams to ensure seamless integration of firmware with motor control systems
  • Documentation: Create and maintain comprehensive documentation of firmware design, development processes, and testing methodologies

Requirements

  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a related field
  • 3+ years of experience in embedded firmware development, with a focus on motor controls and electric vehicle applications
  • Hands-on experience with ARM Cortex-M microcontrollers or equivalent platforms
  • Proficient in C/C++ for embedded systems
  • Strong understanding of motor control algorithms and digital signal processing (DSP)
  • Experience with control theory, PID tuning, and sensorless control techniques
  • Familiarity with communication protocols such as CAN, SPI, I2C, and UART
  • Knowledge of complex timer and cross-triggering peripherals such as eTPU and GTM
  • Experience with embedded development tools
  • Proficient in testing and debugging tools such as oscilloscopes, logic analyzers, and HIL testing environments
  • Exceptional problem-solving abilities, analytical thinking, and effective communication skills

What we offer

  • Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
  • Early-stage Stock Options
  • Robust Retirement Savings (401k, HSA, FSA)
  • Generous Paid Time Off (PTO) & Parental Leave
  • Annual Vacation Bonus
  • Wellness & Fertility Benefits
  • Cell Phone Stipend
  • Complimentary Meals & Stocked Kitchens
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