Software Engineer - Edge & Cloud (m/f/d)

1KOMMA5° At 1KOMMA5°, we pursue a clear vision: Living on wind and sunlight forever for free. To achieve this, we are building the energy system of the future with Heartbeat AI. Want to be part of it? We bring together regional craftsmanship and scalable software: We don't view solar, battery storage, heat pumps, and e-mobility as isolated components, but control them as an intelligent, integrated overall system within our virtual power plant. Directly connected to the electricity market – in real time, fully automated. This ensures that energy is used when it is available from renewable sources and is particularly cost-effective. By 2030, our goal is to transition 1.5 million households to renewable energies. Over 3,000 people work towards this every day across more than 80 locations worldwide, from Finland to Australia. You want to take responsibility and build solutions that truly matter? Apply now and help shape the energy world of tomorrow with us. Your Position Full-Stack Development (Edge to Cloud): You develop the core components for our energy management system Heartbeat AI Enterprise – both locally on our IoT gateways (Edge) and scalably in our cloud-native backend architecture Gateway Programming (Go & Lua): You write high-performance code for our edge controllers. Using Golang, you build robust system services and communication layers; using Lua, you create lightweight, dynamically adaptable control scripts and protocol drivers for inverters, BESS, and HVAC systems.