
1Komma5°
2 days ago

At 1KOMMA5°, we are building Germany’s largest one-stop-shop for climate tech, integrating solar energy, heat pumps, EV charging, and smart electricity solutions into one seamless platform. We’re not only enabling households and businesses to become energy-independent, we’re also making a major contribution to fighting climate change.
As part of our growing Product & Tech team, you’ll join a passionate group of engineers, analysts, and product managers working to shape the future of clean energy through innovative technology. This is your chance to make a real difference, with real data, real products, and real impact.
Become a part of our mission and learn more about our Product & Tech team!As a Data Engineer, you will play a key role in our App Team, acting as the go-to expert for energy telemetry data and pricing logic. This is a cross-functional, hands-on role with a strong emphasis on stakeholder communication, data ownership, and pipeline development.
Your responsibilities will include:
- Own and evolve our SQLMesh pipelines for data transformations across the app’s telemetry and pricing logic
- Build and maintain robust Python-based data ingestion pipelines for new and existing external data sources
- Maintain and evolve (GCP) cloud-native data infrastructure, ensuring performance and high availability in production
- Work closely with Product, Design, and other Engineering teams to define and deliver data that powers user-facing features, including price calculations, earnings, and savings
- Be the subject matter expert on telemetry data and energy price modeling, ensuring accuracy, reliability, and scalability
- Develop and maintain Looker dashboards for analytics, monitoring, and tracking key metrics for internal teams
- Ensure that telemetry measurements and price data are consistently available in the app, even under high load or during incidents
- Build and monitor CI/CD pipelines (GitLab CI, GitHub Actions) for reliable deployment of data products
- Design, implement, and monitor data quality checks to proactively catch and resolve issues
- Collaborate regularly with stakeholders across departments to investigate bugs, support rollouts, and inform product decisions
- Define and own key team KPIs and work proactively to improve them
Here’s what we’re looking for:
- Degree in Computer Science, Data Engineering, or a related technical field (BSc or MSc)
- Solid professional experience with:
- Python (for building data pipelines)
- SQLMesh (or equivalent transformation tools)
- Google Cloud Platform (especially Cloud Run, Pub/Sub, BigQuery)
- Looker (or similar BI tools)
- Proven track record designing, building and maintaining scalable end-to-end data pipelines that ingest data from external APIs and enable efficient, accessible storage and retrieval for both internal services and stakeholders
- Experience working with energy data is a strong plus
- Confident working in CI/CD environments (e.g., GitLab CI, GitHub Actions)
- Proficient with Docker and Kubernetes
- Strong communication skills: youre able to explain data intricacies clearly and collaborate with both technical and non-technical colleagues
- High level of ownership and accountability; you see challenges through to the end
- Fluent in English (German is a plus)
- You are part of an international, dynamic, and highly motivated team of people who have proven to make things happen
- With your work, you accelerate the energy transition and hence have a direct impact on our climate
- Work with and learn from other super-smart colleagues
- You will enjoy direct contact with core decision-makers
- You will enjoy the best chances of entering full-time in one of Europe’s most thriving scaleups
- You work remotely (Germany-wide), with offices in Hamburg, Berlin or Munich
- Create a healthy balance alongside your work and enjoy all the benefits of the EGYM Wellpass