Note: The job is a remote job and is open to candidates in USA. Fuse Energy is an energy startup developing integrated generation, hardware, grid infrastructure, power trading, and distributed energy systems. The Embedded Software Engineer will design, build, and scale connected hardware systems, focusing on embedded connectivity, secure device communications, firmware updates, telemetry, and reliable fleet deployment.

Responsibilities

• Develop and maintain connectivity across Ethernet, Wi-Fi, Thread, Zigbee and BLE
• Build and optimise secure, reliable device messaging using protocols such as MQTT, CoAP, HTTP or WebSockets, and support device time synchronisation (NTP/PTP)
• Contribute to secure boot flows, key and certificate provisioning, and hardware-backed device identity using TPMs or secure elements
• Build and maintain signed firmware update pipelines, including OTA update and rollback, and support security best practices across the device lifecycle
• Integrate devices with cloud IoT platforms and backend services, and improve telemetry, health monitoring and observability for deployed devices
• Support reliable field operation, debugging fleet issues and improving resilience
• Support testing and validation for safety, EMC, radio and related requirements, and help prepare test plans and certification artefacts
• Work closely with firmware, hardware, power electronics, mechanical and software teams, contributing to design reviews, documentation and interface specifications

Skills

• Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science or equivalent practical experience
• 2+ years building connected embedded products, or strong relevant industry/project experience
• Good proficiency in C/C++ for embedded systems, with experience of RTOS environments such as Zephyr or FreeRTOS
• Experience with Python for testing, tooling or automation
• Solid understanding of device connectivity and networking fundamentals, including IP networking and common transport/application protocols
• Experience implementing or supporting secure device communications using TLS, certificates or device provisioning workflows
• Familiarity with firmware update systems, bootloaders or CI/CD workflows for embedded software
• Practical debugging experience using lab and software tools such as logic analysers, protocol analysers, network sniffers or observability platforms
• Strong problem-solving skills and the ability to work across hardware and software boundaries
• Low-power wireless (Thread, Zigbee, BLE); cloud IoT services on AWS, Azure or GCP; secure boot, TPMs, secure elements or hardware attestation; EMC/RF testing, antenna bring-up or factory test; awareness of standards such as IEC 62443, ETSI EN 303 645, ISO 27001 or GDPR; industrial, energy or other distributed device deployments

Benefits

• Eligibility for equity
• Biannual bonus scheme
• Fully expensed tech to match your needs
• Private health insurance
• Breakfast and dinner allowance for office-based employees

Company Overview