Backend Engineer – Data (m/w/d)
Core
Designing and developing scalable services to process over 70 million daily measurement data points in real-time for the low-voltage power grid, preparing for 1 billion points/day.
Role type
Senior Backend Engineer (Data)
Builds
Scalable real-time data processing services, APIs for grid operators, and data lake infrastructure.
Domain
Energy grid / Power distribution / Big Data
Deliverable
production ML models
Required skills
Distributed systems, Domain-Driven Design, Kafka, ClickHouse, Databricks, SQL, Postgres, Kubernetes, Azure, Cloud-native development, Stream Processing, MQTT
Preferred skills
Kotlin, Java, AI coding tools (Claude Code, Copilot, Cursor), Stream Processing, MQTT
Technologies
Kafka, ClickHouse, Databricks, Postgres, Kubernetes, Azure, Grafana, Loki, Tempo
Responsibilities
Design and develop scalable services for real-time measurement data processing; define domain models and data schemas; build and maintain APIs for data consumption; operate services in production with observability; drive technical architecture decisions; write tests and conduct code reviews.
Seniority
Senior, hands-on IC