Firmware Engineer

About Ironsite

The Role

What You'll Do

• Develop embedded software for platforms like Raspberry Pi, ESP32, and STM32
• Write drivers and libraries for camera, audio, wireless, IMU, and environment sensing
• Analyze sensor data with real-time algorithms and ML inference on device
• Build reliable, secure infrastructure for provisioning, OTA updates, and telemetry
• Maximize battery life during all-day use
• Collaborate with hardware and manufacturing engineers across entire product lifecycle, from initial design and architecture through volume manufacturing

Job Requirements

• Bachelor's degree in Electrical Engineering, Computer Engineering, or related field
• 4+ years of experience in embedded systems and firmware development
• Proficiency in C/C++ for embedded systems with resource constraints
• Experience with at least one industry-standard microcontroller platform (eg, STM32, ESP32, nRF)
• Comfortable reading schematics and datasheets, and using typical HW lab tools (oscilloscope, logic analyzer, etc) to debug hardware-software integration issues

Preferred Qualifications

• Delivered at least one full product lifecycle in wearables, cameras, or IoT devices
• Experience with real-time operating systems such as FreeRTOS or Zephyr
• Proficient in embedded security best-practices, including secure boot, factory provisioning, and device authentication
• Familiarity with edge device ML inference frameworks

Location & Compensation

• San Francisco Bay Area (on-site)
• Hyper competitive salary and equity package
• Full benefits including health, dental, vision, and 401k +6% match

Compensation