Embedded Software Engineer - Connected Energy Devices

Fuse Energy, LLC; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Biannual bonus scheme

Equity eligibility

Fully expensed tech

Private health insurance

Breakfast and dinner allowance

Job summary

Fuse Energy in London-based teams is seeking an Embedded Software Engineer to design, build and scale the connected hardware behind a fleet of distributed energy devices. You will work across embedded systems, networking, and security from prototype to production, collaborating with firmware, hardware and backend teams to deliver robust, secure, production-ready systems.

The role emphasizes secure provisioning, OTA updates, and resilient connectivity, with opportunities to shape device identity

Qualifications

• Bachelor's degree in Electrical/Computer Engineering or CS.

Responsibilities

• Connect/securely network devices across Ethernet, Wi‑Fi, Thread, Zigbee and BLE; implement MQTT/CoAP/HTTP/WebSockets messaging.
• Contribute to secure boot, provisioning and firmware update pipelines including OTA; maintain hardware-backed device identity.
• Integrate devices with cloud IoT platforms and backend services; improve telemetry and observability.
• Support testing for safety, EMC, radio and related requirements; prepare test plans and certification artefacts.
• Collaborate with firmware, hardware, power electronics, mechanical and software teams on designs and specs.

Skills

C/C++ for embedded systems

RTOS (Zephyr/FreeRTOS)

Python for testing/automation

IP networking fundamentals

TLS/device provisioning workflows

CI/CD for embedded software

Debugging with lab/tools

Low-power wireless (Thread/Zigbee/BLE)

Education

Bachelor's degree in Electrical/Computer Engineering or CS

Tools

Logic analyzers

Protocol analyzers

Network sniffers

Observability platforms

Job description

Fuse Energy in London-based teams is seeking an Embedded Software Engineer to design, build and scale the connected hardware behind a fleet of distributed energy devices. You will work across embedded systems, networking, and security from prototype to production, collaborating with firmware, hardware and backend teams to deliver robust, secure, production-ready systems.

The role emphasizes secure provisioning, OTA updates, and resilient connectivity, with opportunities to shape device identity