Firmware Engineer

Job description

Job responsibilities

• Owning our embedded C/C++, including FreeRTOS managing, interrupts, JTAG/SWD debugging etc
• Improve and iterate on our handling of data communication between peripherals and chips such as the ESP32, STM32 etc. Including Wi-FI and BLE
• Implement appropriate secure OTAs and bootloaders
• Help manage our AWS IoT Core: mTLS, MQTT, Things/certs/policies, fleet provisioning, IoT Jobs OTA
• Help us precisely control a range of actuators including off-the-shelf BLDCs, custom PMSM and axial flux motors, cycloid gearboxes, and series elastic actuators, including writing firmware for our motor control chip…
• Guide design and development decisions for future iterations of the product, and future systems; including novel actuator design, chip selection and firmware requirements
• Help develop other aspects of our end-to-end real-time embedded firmware / linux systems, from vision and roadmap through design and into practice, including for adjacent products such as our Parkinson’s product,…
• Wear prototypes several hours a week to participate in data collection, on-body testing and provide feedback

Job requirements

• 5+ years’ experience working in firmware development
• Demonstrable expertise in embedded C/C++ for high performance applications, ideally including FreeRTOS
• Experience programming the ESP32 and STM32, or similar chipsets
• Experience with AWS IoT Core systems and fleet management, including OTA updates
• Experience with design for systems at scale , with a focus on testing and validation
• Expertise with Linux, command-line tools, Python scripting
• Strong experience developing real-time firmware for multi-sensor systems
• Knowledge of low level hardware and OS internals at a kernel level