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Salary
$50k – $120k per year (Estimated)
Location
In office (Berlin)
Seniority
Middle
Employment
Full-Time
Overview
Company
Impact
Profile match
Octopus Energy is a UK-based energy supplier that offers innovative smart tariffs and renewable energy solutions. Known for its award-winning customer service and commitment to a greener future, Octopus Energy provides great value for the long term with prices historically cheaper than any other large supplier. As one of Europe's leading investors in renewable energy generation, the company is highly trusted, holding a five-star customer service rating.

Für den weiteren Ausbau und Betrieb unserer modernen Daten- und Analytics-Landschaft suchen wir einen vielseitigen Mid-Level Data Engineer (m/w/d). In dieser Rolle bist du das Bindeglied zwischen robuster Data-Lakehouse-Infrastruktur, analytischem Reporting mit Lightdash & Streamlit und angewandten Data-Science-Use-Cases.

Deine Aufgaben:

    Du begleitest Daten entlang ihres gesamten Lebenszyklus - von der Rohdatenaufnahme im Lakehouse über automatisierte Datenmodelle bis hin zu interaktiven Dashboards und Machine-Learning-gestützten Datenanwendungen.

  • Lakehouse & Data Engineering (ca. 50%):

    • Konzeption, Aufbau und Tuning performanter Pipelines auf Basis von Databricks.

    • Datenmodellierung mit dbt sowie Orchestrierung robuster DAGs via Apache Airflow.

    • Governance & Performance:

      • Etablierung automatisierter Data-Quality-Prüfungen, Data Lineage und Cluster-Optimierung.

      • Analytics & Data Apps (ca. 25%):

        • Aufbau einer semantischen Metriken-Schicht und Self-Service-BI in Lightdash.

        • Entwicklung interaktiver Analyse-Tools und Data Apps in Python (Streamlit).

        • Data Science & ML (ca. 25%):

          • Explorative Analysen, Prototyping und Training von ML-Modellen (z. B. Prognosen, Anomalien).

          • MLOps & Business-Integration:

            • Experiment-Tracking auf Databricks und Bereitstellung der Ergebnisse für Fachbereiche.

Dein Profil:

  • Berufserfahrung:

    • Mindestens 2-4 Jahre Praxis im Data Engineering, Analytics Engineering oder einer vergleichbaren Rolle.

    • Core Engineering Stack:

      • Fundierte Praxis mit Databricks (Delta Lake, Unity Catalog), dbt und Apache Airflow.

      • BI & Data Apps:

        • Erfahrung mit Lightdash (oder Interesse an code-basierter BI) sowie mit Streamlit.

        • Code & Datenbanksprachen:

          • Exzellentes SQL (Performance-Tuning, komplexe Joins) und sehr gutes Python (pandas, PySpark, scikit-learn).

          • Methodik & Best Practices:

            • Routinierter Umgang mit Git / CI/CD und modernen Modellierungskonzepten (Star-Schema).

            • Mindset & Sprachen:

              • Pragmatische Hands-on-Mentalität, starke Kommunikationsfähigkeit und sehr gutes Deutsch & Englisch.

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