Job Description

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Company Description

Torch is a San Francisco-based IoT technology company specializing in real-time monitoring and alerting for high-value assets. Its solar-powered Torch sensor integrates fire detection, air quality monitoring, 360-degree security vision, and AI processing tools. Trusted by large utilities, city governments, landmarks, and communities, Torch products provide early-stage wildfire detection and remote security monitoring. The company has earned recognition from Forbes, NBC, ABC, Fast Company, and Entrepreneur.com for its innovation and impact.

Role Description

This is a full-time hybrid role for a Senior Firmware Engineer. The role is based in the San Francisco Bay Area with some work-from-home flexibility. The Senior Firmware Engineer will be responsible for designing, developing, and testing embedded software for IoT devices. Day-to-day tasks include firmware development, debugging, working closely with electrical engineers, and optimizing software for ARM architecture. Collaboration with cross-functional teams to define system requirements and ensure quality assurance is also a key part of this role.

Key Candidate Profile:

• Has shipped and maintained firmware in a volume production environment of thousands of devices
• Minimum 5 years experience of embedded firmware experience
• Has worked in a startup environment in a solo or lead role

Key Skills:

• Strong foundation with RTOS (FreeRTOS and ideally also ThreadX/Zephyr)
• Strong foundation with STM32 targets and development toolchains
• Experience with low power optimization, low power mode management, experience using power profiling tools and techniques (Otii Ace/Joulescope, power simulation models)
• Experience with board bring-up, driver development and optimization (including DVP/CSI cameras)
• Experience with cellular connectivity and modem management (satellite connectivity experience a plus)
• Experience with secure bootloaders, firmware signing, and OTA system development and testing
• Experience integrating with AWS/AWS IoT hub
• Experience with firmware CI/CD tooling and automated test development
• Experience with production testing and provisioning
• Experience with embedded image processing, compression, analysis in resource and power constrained devices
• Experience with multi-sensor fusion and real-time data processing
• Familiarity in running neural networks on embedded devices, familiarity with neural accelerator hardware
• Familiarity with hardware/firmware test automation (pytest or similar)
• Experience with multiple radio technologies (cellular, LoRa, satellite) and connectivity failover systems

Product Context:

• Outdoor fire detection sensor with multiple cameras, multi-gas sensors, GPS
• Solar-powered system operating in extreme outdoor conditions with extended battery life requirements
• Multi-connectivity platform with automatic failover (cellular/satellite/LoRa)
• Real-time fire detection and alert system with strict timing requirements

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Technology, Information and Internet

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