1
Software Engineer - Edge & Cloud (m/w/d)
Contract type
Ongoing
Work mode
Hybrid · Hamburg, Germany · Berlin, Germany · Munich, Germany
Experience
3 years
Job description
Full-stack developer building core components of the Heartbeat AI Enterprise energy management system, from IoT edge gateways to cloud-native backend services.
At a glance
- Work mode
- Hybrid · Hamburg, Germany · Berlin, Germany · Munich, Germany
- Languages
- German – fluent, English – fluent
What you'll do
- Develop core components for the energy management system both on local IoT gateways (edge) and in the cloud-native backend
- Write high-performance edge controller code in Go and Lua, including control scripts and protocol drivers for inverters, BESS and HVAC systems
- Design and program scalable Go microservices in the cloud backend for time-series data, telemetry and fleet management
- Implement IoT communication protocols (MQTT, REST/gRPC) and local plant communication (Modbus TCP/RTU)
- Enable seamless data flow between local assets and the virtual power plant for automated control based on spot market prices
- Work closely with system architects, PLC developers and product management in a cross-functional team
What we're looking for
- Degree in computer science, software engineering or comparable qualification or solid professional software development experience
- Very good programming skills in Golang, ideally in a cloud and microservice context
- Practical experience with the scripting language Lua, e.g. for embedded/edge applications
- Solid understanding of cloud technologies (AWS, GCP or Azure), containerization (Docker, Kubernetes) and CI/CD pipelines
- Experience developing IoT solutions or edge computing applications, preferably on Linux-based systems
- Confident handling of common network and IoT protocols such as MQTT and REST
- Structured, solution-oriented way of working and motivation to help build Europe's largest decentralized virtual power plant
- Fluent German and English in speech and writing
Nice to have
- Touchpoints with industrial communication such as Modbus
Benefits
- Option to work in brand-new offices in Hamburg city center, Berlin and Munich and/or remotely
- Use your technical equipment in your free time as well
- Part of a fast-growing company with lots of development potential where you can build things independently
- Flat hierarchies with responsibility from onboarding and direct collaboration with parts of management
- Contribute to the energy and mobility transition and sustainable rebuilding of energy infrastructure
- Access to over 7,600 sports partners via EGYM Wellpass
- JobRad leasing for city or e-bikes
- Benefits and discounts through Futurebens
Apply
About 1KOMMA5°
Living on wind and sunlight forever for free
Combines regional craftsmanship with scalable software, connecting solar, storage, heat pumps and e-mobility into an intelligent integrated system in a virtual power plant.
Mission
Switch 1.5 million households to renewable energy by 2030
Key facts
- Builds the energy system of the future with Heartbeat AI
- Controls solar, storage, heat pump and e-mobility as an integrated system in a virtual power plant
- Over 3,000 people at more than 80 locations worldwide, from Finland to Australia
What they value
- Take responsibility and build solutions that really matter