IoT Platform Engineer - Energy Systems (f/m/d)
FION Energy GmbH
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About This RoleAI processing…
Tasks FION Energy develops software for the dimensioning, intelligent control, and monitoring of industrial energy storage and PV systems. Our AI-driven platform optimizes battery operations across peak shaving, self-consumption optimization, spot market trading, and flexibility marketing, cutting electricity costs with payback periods of 2-4 years. We're a Berlin-based team with paying customers and batteries already running in the field. Our mission is to build a truly end-to-end platform - from ML and optimization, through data streaming and control, to the edge device sitting at the custom
Key ResponsibilitiesTypical for this role
- 1Drive day-to-day execution of the work outlined in this role
- 2Collaborate with cross-functional partners to deliver outcomes
- 3Communicate progress, blockers, and decisions clearly
- 4Continuously improve how the team operates
Requirements
- 5+ years of professional software engineering experience
- Hands-on experience deploying and managing IoT or edge devices in production
- You've dealt with the reality of physical hardware in the field
- Strong Linux skills (our edge devices run on it)
- Experience with at least one device integration over industrial protocols (Modbus, MQTT, OPC-UA, or similar)
- An ownership mindset- you want to shape the platform, not just implement tickets
- Energy domain knowledge - you understand power, energy, phases, and how the grid works
- Experience with fleet management - OTA updates, device monitoring, remote debugging across many sites
- Familiarity with embedded Linux (Yocto, Buildroot, or similar) and containerized edge deployments
- Experience evaluating and selecting industrial edge hardware
- Experience with cloud IoT platforms (AWS IoT, Azure IoT Hub, or similar)
- Go, Rust, or Java in an IoT/systems context
- German language skills (our customers and partners are German)
Perks & Benefits
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