> Markdown version of [/jobs/ext/1371445-iot-platform-engineer-energy-systems](https://www.wearedevelopers.com/jobs/ext/1371445-iot-platform-engineer-energy-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IoT Platform Engineer - Energy Systems - **Company:** FION Energy GmbH - **Location:** Berlin, Germany - **Experience:** Expert - **Salary:** €70,000.0 - €100,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Microsoft Azure, UClibc (C Standard Library), Software Debugging, Linux, Linux on Embedded Systems, Modbus, Message Queuing Telemetry Transport (MQTT), OPC Unified Architecture, Smart Devices, Software Engineering, Data Streaming, Yocto, Aws Iot, Predix - **Published:** July 22, 2026 - **Apply:** https://www.adzuna.de/details/5802977575 ## About the Role 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 customer site. We're looking for an engineer with deep experience in edge and IoT systems to join us as an early hire. You'll work on our cloud data and control platform, our own edge stack, and different edge and cloud integrations - whatever matters most for the business right now. This is a startup role: you should be comfortable switching between strategic thinking and hands-on work., You bring: * 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 Even better if you have: * 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) ## Related Videos - [Enabling intelligent logistics automation: home-grown Industrial IoT platform at Austrian Post](https://www.wearedevelopers.com/videos/2018-enabling-intelligent-logistics-automation-home-grown-industrial-iot-platform-at-austrian-post) - [Optimizing Land-Based Fish Feeding with Node-RED](https://www.wearedevelopers.com/videos/2032-optimizing-land-based-fish-feeding-with-node-red) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Edge Orchestration for the Physical World: Connecting Cameras, Sensors, and Devices with MQTT](https://www.wearedevelopers.com/videos/100081-edge-orchestration-for-the-physical-world-connecting-cameras-sensors-and-devices-with-mqtt) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find German Tech Jobs](https://www.wearedevelopers.com/magazine/366-where-to-find-german-tech-jobs)