
Software Engineer - Edge & Cloud (m/w/d)
1KOMMA5grad1 day ago
Remote, Germany +3 moreSenior
Responsibilities
- Develop core components of the Heartbeat AI Enterprise energy management system across IoT gateways and cloud backend services.
- Program high-performance edge controllers and communication layers in Go and create Lua scripts and protocol drivers for inverters, BESS, and HVAC systems.
- Design and implement scalable Go microservices for time-series data, telemetry, and fleet management across customer sites.
- Implement IoT and local industrial communication protocols including MQTT, REST/gRPC, and Modbus TCP/RTU.
- Integrate local energy assets and flexibility data with the virtual power plant for automated control based on spot-market prices.
- Collaborate with system architects, PLC developers, and product management in a cross-functional team.
Requirements
- Completed degree in computer science, software engineering, or a comparable qualification, or substantial professional software-development experience.
- Very strong programming skills in Go and practical experience with Lua, ideally in cloud, microservice, embedded, or edge contexts.
- Knowledge of cloud technologies such as AWS, GCP, or Azure, plus containerization with Docker and Kubernetes.
- Experience developing IoT solutions or edge-computing applications, preferably on Linux-based systems such as Raspberry Pi or industrial PCs.
- Familiarity with networking and IoT protocols such as MQTT and REST, ideally including industrial communication with Modbus.
- Fluent written and spoken German and English.
- Structured, solution-oriented working style and motivation to build a large decentralized virtual power plant.
Benefits
- Work from brand-new offices in Hamburg, Berlin, or Munich and/or remotely.
- Use company technical equipment privately outside work.
- Join a fast-growing company with development opportunities, flat hierarchies, early responsibility, and direct interaction with management.
- Contribute to the sustainable transformation of energy infrastructure and the energy and mobility transition.
- Access to more than 7,600 sports partners through EGYM Wellpass.
- Jobrad bicycle and e-bike leasing.
- Benefits and discounts through Futurebens.
Tech Stack
About 1KOMMA5grad
1KOMMA5° sells and installs residential and small-business energy systems—solar PV, home batteries, heat pumps, and EV chargers—and provides software to orchestrate them. Its Heartbeat platform connects devices into a virtual power plant to optimize consumption and trade electricity on the power market. Founded in 2021 and headquartered in Hamburg, the privately held company operates across multiple European countries with a one‑stop shop installation and service model.