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Fuse Energy is a well-funded energy startup ($200M+ raised from top-tier investors including Balderton, Accel, Lakestar, and others) building an integrated energy company that combines solar, batteries, grid infrastructure, AI, and distributed energy devices sold directly to consumers.
You will join as an Embedded Software Engineer to design, build, and scale the connected hardware behind Fuse's fleet of distributed energy devices. This is a hands-on role spanning embedded systems, networking, device security, and fleet connectivity from prototype through production deployment.
Key responsibilities include:
• Connectivity & Networking: Develop and maintain connectivity across Ethernet, Wi-Fi, Thread, Zigbee, and BLE; build secure, reliable device messaging using MQTT, CoAP, HTTP, or WebSockets; support device time synchronization using NTP or PTP.
• Device Security & OTA Management: 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 updates and rollback; support security best practices across the device lifecycle.
• Edge & Cloud Integration: Integrate devices with cloud IoT platforms and backend services; improve telemetry, health monitoring, and observability; support reliable field operation and debug fleet issues.
• Compliance & Testing: Support testing and validation for safety, EMC, radio, and related requirements; prepare test plans and certification artifacts; work with manufacturing through engineering and production validation cycles.
• Cross-Functional Collaboration: Work closely with firmware, hardware, power electronics, mechanical, and software teams; contribute to design reviews, technical documentation, and interface specifications.
You'll work in a collaborative environment with experienced teams across hardware, firmware, backend, and power electronics, helping to deliver production-ready systems for real-world energy deployment.
REQUIREMENTS:
• Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or equivalent practical experience
• 2+ years of experience 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 analyzers, protocol analyzers, network sniffers, or observability platforms
• Strong problem-solving skills and ability to work across hardware and software boundaries
BONUS EXPERIENCE:
• 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 distributed device deployments
