Staff or Senior Firmware Engineer

Overview

Build firmware for battery-powered sensors, Linux-based gateways, and connected devices deployed at scale. The role spans hardware selection, board bring-up, low-level firmware, power and connectivity management, and cross-functional product delivery.

What you'll do

• Evaluate hardware components, SoCs, memory, and sensors with electrical engineers.
• Bring up new boards, platforms, prototypes, and peripheral interfaces.
• Develop drivers, secure bootloaders, firmware updates, power, and connectivity layers.
• Optimize protocols and hardware management for battery life.
• Partner with product, full-stack, mobile, and quality engineers.
• Lead technical designs, reviews, mentorship, and engineering practices.
• Drive firmware from concept through validation and product launch.

What you'll need

• 8+ years building firmware for resource-constrained systems.
• Experience leading firmware development for several products end to end.
• Substantial bare-metal and RTOS experience, including Zephyr or FreeRTOS.
• Experience bringing up boards and debugging hardware-software issues.
• Fluency with SPI, I2C, UART, CAN, and ADC interfaces.
• Fluency in C and experience with bench tools such as oscilloscopes or network analyzers.

Nice to have

• Deep BLE, cellular IoT, embedded security, OTA, or mass-production experience.
• Experience fixing production blockers and integrating LTE-M or NB-IoT modems.

Details

• Remote role for the SF Bay Area.
• Annual base salary: $162,400–$290,000 USD.