Staff Firmware Engineer - Embedded & Cloud Connectivity

Copper; Berkeley (CA); Hybrid; USD 182,000 - 210,000; Full time

Job summary

Copper is seeking a Staff Firmware Engineer to own major portions of the embedded firmware stack for energy-storage-enabled appliances. You will design, implement, and test new firmware features while guiding connectivity and fleet telemetry.

You’ll lead robustness efforts across OTA updates, provisioning flows, and real-world testing on production devices, mentoring teammates as the team scales.

Qualifications

• 8+ years in embedded systems, shipping production products and fleets.
• Deep experience with connected embedded products (Wi‑Fi, Bluetooth, TCP/IP, MQTT/HTTPS/CoAP).
• Strong OTA update and bootloader design knowledge for reliability.
• Excellent embedded C, comfortable near hardware; C++ a plus.

Responsibilities

• Own major portions of the embedded firmware stack from development to production and field support.
• Design, implement, test new firmware features with hands-on testing on real appliances.
• Improve device connectivity and reliability: Wi‑Fi, Bluetooth, OTA, provisioning, failure recovery.

Skills

Embedded C

C++

FreeRTOS

Wi‑Fi

Bluetooth

TCP/IP

MQTT

OTA updates

Hardware debugging

System architecture

Education

BSc EE/CS

Tools

CI/CD tooling

HW-in-loop

Unit testing

Job description

Copper is seeking a Staff Firmware Engineer to own major portions of the embedded firmware stack for energy-storage-enabled appliances. You will design, implement, and test new firmware features while guiding connectivity and fleet telemetry.

You’ll lead robustness efforts across OTA updates, provisioning flows, and real-world testing on production devices, mentoring teammates as the team scales.