Staff Firmware Engineer

The role

You will build firmware for energy-storage-enabled appliances. You will own the embedded firmware stack, device connectivity, and fleet management systems.

What you will do

• Own major portions of the embedded firmware stack for the Charlie induction range.
• Design, implement, and test new firmware features.
• Lead improvements to device connectivity and reliability including Wi-Fi, Bluetooth, OTA updates, and provisioning flows.
• Own and evolve systems related to fleet management, telemetry, remote control, and data flow.
• Support manufacturing and production firmware needs.
• Identify gaps in tooling, testing, or processes and build infrastructure.
• Mentor other engineers through design reviews and technical collaboration.

Required qualifications

• 8+ years of hands-on experience developing and supporting embedded systems.
• Track record of shipping products into production and supporting customer fleets.
• Deep experience building connected embedded products including Wi-Fi, Bluetooth, TCP/IP, and application-layer protocols such as MQTT, HTTPS, or CoAP.
• Strong understanding of OTA update systems and bootloader design.
• Excellent command of embedded C.
• Hands-on experience developing FreeRTOS-based systems.
• Experience designing and supporting systems that interact with cloud infrastructure including REST APIs, data pipelines, and fleet telemetry.
• Ability to architect and improve development workflows such as hardware-in-the-loop testing, software-in-the-loop testing, automated CI, and unit testing.
• Strong technical communication skills to collaborate across electrical, mechanical, cloud, and product teams.
• Comfort operating in ambiguity and making engineering tradeoffs.

Nice to have

• C++ experience

Benefits

• generous benefits package

About the company

Copper's mission is to make decarbonization accessible by selling electric home appliances that integrate batteries. Their work is funded by the Department of Energy.