Firmware Engineer

Groupe-Ebra-1; Greater London; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Equity: stock options

30+ paid days off (UK)

Private healthcare

Pension with 8% contribution

Free daily meals in-office

Job summary

Humanoid is seeking a Firmware Engineer to develop and maintain the embedded software behind our humanoid robots and operator interfaces. You’ll bridge hardware and software, bringing up new PCB revisions, writing firmware and drivers, and integrating sensors and compute platforms in a fast-paced environment where reliability matters.

You will collaborate with electrical and mechanical engineers, implement robust communication interfaces, and develop calibration routines while shaping OTA

Qualifications

• Degree in Electrical/Computer Engineering, Computer Science, or related field with 4+ years' embedded firmware development (C/C++).
• Hands-on experience with ESP32, STM32, Raspberry Pi and NVIDIA Jetson platforms.
• Experience writing drivers for sensors and peripherals: encoders, IMUs, ToF sensors, LiDARs, cameras, LCDs.
• Solid understanding of embedded interfaces: I2C, SPI, MIPI, UART, Ethernet/TCP-IP, USB, CAN and EtherCAT.
• Able to bring up new hardware revisions, debug with an oscilloscope, logic analyzer and JTAG/SWD.
• Experience developing calibration routines and supporting component selection with electrical/mechanical engineers.
• Nice to have: FPGA experience, camera synchronization/time-sync, Python scripting, and defined hardware interfaces across teams.

Responsibilities

• Develop Embedded Firmware: write and maintain firmware for embedded microcontrollers, covering sensor sampling, status indication, input handling and power management.
• Integrate Sensors & Drivers: write drivers for sensors, encoders, LCD screens, IMUs, ToF sensors, LiDARs and cameras, including MIPI and other interfaces.
• Work Across Compute Platforms: integrate device firmware with ESP32, Raspberry Pi and NVIDIA Jetson, and similar Linux-based platforms.
• Implement Communication Interfaces: design interfaces between hardware subsystems including I2C, SPI, UART, Ethernet, USB, CAN, EtherCAT and MIPI.
• Bring Up New Hardware: review schematics, debug boards with oscilloscope/logic analyzer, resolve firmware/electrical/mechanical issues.
• Own Calibration & Fault Detection: develop calibration routines, power-sequencing logic, and fault/status detection for sensors and mechatronic systems.
• Support Component Selection: assist with sensor/MCU selection in collaboration with electrical and mechanical engineers.

Skills

Embedded C/C++

ESP32

STM32

Raspberry Pi

NVIDIA Jetson

Sensor drivers

I2C/SPI/UART

EtherCAT

Oscilloscope

Education

Bachelors in Electrical/Computer Engineering or related field

Tools

Logic analyzer

JTAG/SWD

PCB bring-up tooling

Job description

Here at Humanoid, we believe in a future where robots amplify human potential. That’s why we’ve set out on a mission to build the world’s most capable, commercially-scalable, and safe humanoid robots. We’re bringing that mission to life with HMND‑01 Alpha - our rapidly developed humanoid platform now running in real industrial pilots - and we’re growing the team to take it even further.

About the Role

We're looking for a Firmware Engineer to develop and maintain the embedded software behind the end effectors on our robots and the human-worn devices operators use to interface with them. This role combines firmware development with hardware integration you'll sit at the boundary between hardware and software, bringing up new PCB revisions, writing firmware and drivers, and integrating a wide range of sensors and compute platforms. You'll work closely with electrical and mechanical engineers in a high-paced environment where priorities shift fast and reliability matters.

What You'll Do

• Develop Embedded Firmware: Write and maintain firmware for embedded microcontrollers, covering sensor sampling, status indication, input handling and power management.

• Integrate Sensors & Drivers: Integrate and write drivers for sensors, encoders, LCD screens, IMUs, ToF sensors, LiDARs and cameras, including MIPI and other interfaces.

• Work Across Compute Platforms: Integrate device-level firmware with higher-level compute platforms such as ESP32, Raspberry Pi and NVIDIA Jetson, and similar Linux-based platforms.

• Implement Communication Interfaces: Design and implement interfaces between hardware subsystems, including I2C, SPI, UART, Ethernet, USB, CAN, EtherCAT and MIPI.

• Bring Up New Hardware: Review schematics, debug boards with an oscilloscope/logic analyzer, and resolve integration issues spanning firmware, electrical and mechanical.

• Own Calibration & Fault Detection: Develop calibration routines, power-sequencing logic, and fault/status detection for sensors and mechatronic systems.

• Support Component Selection: Help with component selection for sensors, MCUs and other hardware building blocks.

• Maintain OTA Pipelines: Build and maintain OTA update and image provisioning pipelines for fleets of embedded devices.

What We're Looking For

• Degree in Electrical/Computer Engineering, Computer Science, or a related field, with 4+ years' experience in embedded firmware development (C/C++).

• Hands-on experience with microcontroller and compute platforms such as ESP32, STM32, Raspberry Pi and NVIDIA Jetson.

• Experience integrating and/or writing drivers for sensors and peripherals — encoders, IMUs, ToF sensors, LiDARs, cameras and LCD/display modules.

• Solid understanding of embedded communication and sensor interfaces: I2C, SPI, MIPI, UART, Ethernet/TCP-IP, USB, CAN and EtherCAT.

• Comfortable bringing up and debugging new hardware revisions, with strong skills using an oscilloscope, logic analyzer and JTAG/SWD.

• Experience developing calibration routines and supporting component selection alongside electrical and mechanical engineers.Nice to have

  • FPGA experience

  • Experience with camera synchronisation or multi-sensor time-sync

  • Python skills for tooling, test scripts, or diagnostics

  • Experience working with formally defined hardware interfaces/contracts shared across teams

What We Offer

• Competitive equity: stock options with meaningful upside as we scale.

• 30+ paid days off, including 23 days of annual leave, all UK bank holidays, and additional company closure days (including Christmas–New Year shutdown).

• Private healthcare, including virtual and in-person care.

• Pension scheme with 8% total contribution (5% employee, 3% employer) on full earnings.

• Free daily breakfast, catered lunch, and snacks in-office.

• Work at the frontier - collaborate daily with world‑class engineers, researchers, and product experts building the next generation of AI and humanoid robotics.

• Real ownership - direct access to founding leadership, meaningful input on product direction, and the ability to drive key initiatives from day one.