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About the Role
We are looking for a firmware engineer to own embedded systems across the robot, from initial hardware bring-up through firmware development, testing, and validation. You will work directly with new board designs, read schematics, bring up peripherals, develop device drivers and firmware features, and debug problems across hardware and software. You will work closely with electrical, mechanical, controls, and software engineers to define requirements and ensure firmware and hardware work together reliably.
Responsibilities
- Bringing up new custom PCBs and validating processors, sensors, peripherals, and communication interfaces
- Developing device drivers and firmware features for new and existing hardware
- Debugging issues across firmware and electrical hardware
- Designing and validating communication over interfaces such as CAN, SPI, I2C, UART, and USB
- Characterizing, testing, and validating firmware and board designs
Requirements
- 6+ years of professional firmware or device driver development experience
- Strong embedded systems and firmware fundamentals
- Strong C or C++ programming skills
- Experience developing firmware in RTOS environments
- Strong hardware bring-up experience, including reading schematics and debugging new boards
- Experience with low-level interfaces such as I2C, SPI, UART, USB, and CAN
- Comfortable debugging with JTAG/SWD, oscilloscopes, and logic analyzers
- Experience developing device drivers and working with microcontrollers and peripherals
- Strong understanding of software engineering best practices
- Ability to work effectively across electrical, mechanical, controls, and software teams
- BS or higher in Computer Science, Computer Engineering, Electrical Engineering, or a related field, or equivalent industry experience
Skills
- C
- C++
- RTOS
- I2C
- SPI
- UART
- USB
- CAN
- JTAG/SWD
- oscilloscopes
- logic analyzers
- microcontrollers
- ARM Cortex
- Python
- configuration management
- release management
- continuous integration
- unit testing
- regression testing
- time synchronization
- signal processing
- robotics
Location
- Remote
Work Type
- Full-time
Experience Level
- 6+ years
Education Level
- BS or higher in Computer Science, Computer Engineering, Electrical Engineering, or a related field, or equivalent industry experience
Salary/Compensations
- $200,000–$250,000
About the Company
- Reflex Robotics builds general-purpose, AI-powered humanoid robots for tough industrial jobs.
- We build the full robot stack ourselves, from cameras and compute to actuators, electronics, and software.
- We are a four year old startup backed by Khosla Ventures and a team of other great investors.
- Our team includes alumni from Anduril, Oculus, Amazon, Waymo, Skydio, Boston Dynamics, ASML, MIT, Jane Street, and Joby Aviation.
- We are obsessed with shipping robots.
- A humanoid robot is only valuable if it solves a real customer problem.
- Low cost is what makes widespread deployment possible.
- High-quality, proprietary robotics data is the foundation of the next generation of physical AI.
- Reflex is de-risked enough to see the hazy outlines of success, but still small enough that there’s enormous upside for grabs.
- This is a rare opportunity to help build a flagship robotics company from the ground up and to do work that will truly matter, reshaping what people believe is possible in robotics.