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1X

Robot type
Humanoid
Location
San CarlosCaliforniaUSA
Job type
Software
Posted
Oct 7, 2026
Salary
$200,000–$280,000 a year
Full-time

Staff Firmware Engineer - Charger

Job description

We’re building humanoid robots that work in home - doing the chores, handling the tasks, and giving people their time back. Simple, but it’s not.

To do this right, we have to solve robotics, AI, manufacturing - at the same time, at scale, in a form factor that has to be safe enough to live with your family. If you’re inspired by this, you’ll thrive here. We’ve been at this since 2014 and we’re at the point where the hard problems are behind us and the hard work is in front of us.

NEO is our flagship - a home robot designed to move, learn, and operate in the real world alongside real people. We’re not demoing it - we’re shipping it. We’re excited to meet you, if this excites you.

Job requirements

  • 5+ years of embedded firmware development in C/C++ on real hardware, with direct experience managing interrupts, DMA, and timing-critical execution (7+ years for senior/staff-level positions)
  • Power conversion fundamentals working understanding of switched-mode power supply operation: common AC-DC topologies (flyback, LLC, phase-shifted full bridge), power factor correction stages, transformer isolation, and…
  • Battery charging knowledge: understanding of lithium-ion charge protocols (CC-CV, multi-stage), the relationship between charge rate and cell degradation, and how temperature and cell age affect charge termination…
  • Embedded bus fluency hands-on CAN implementation for charger-to-BMS coordination, plus additional embedded interfaces (SPI, I²C, UART) for communication with power controller ICs, monitoring devices, and auxiliary…
  • Hardware debug at the firmware boundary experience using oscilloscopes, current probes, and power analyzers to diagnose problems that span firmware control behavior, converter waveform quality, and thermal performance
  • Domain depth in one or more areas relevant to humanoid robot subsystems: distributed real-time communication bus firmware, switched-mode power conversion and lithium-ion battery charge management, or motor drive and…
  • Experience with safety-critical or fault-tolerant embedded systems; familiarity with safety integrity standards such as IEC 61508 or ISO 26262
  • Familiarity with real-time operating systems (FreeRTOS, SafeRTOS, or similar)
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