Data Engineer

Job Summary

We are looking for an experienced Senior Data Engineer with a minimum of 6 years of professional experience to join our team in Bonn, Germany.

The ideal candidate will have strong hands-on experience in designing, developing and maintaining scalable data pipelines, data platforms and data solutions, along with excellent communication skills in German and English.

Key Responsibilities

• Design, develop and maintain scalable ETL/ELT data pipelines.
• Build and optimize batch and streaming data-processing solutions.
• Work extensively with Python, SQL and Spark/PySpark.
• Develop and maintain data models using modern approaches such as Data Warehouse, Data Vault and Lakehouse.
• Work with data orchestration tools such as Apache Airflow.
• Work with modern data platforms such as Databricks and/or Snowflake.
• Integrate data from multiple source systems and ensure data quality and reliability.
• Implement testing, monitoring, CI/CD and performance optimization.
• Work with cloud platforms such as AWS, Azure or GCP.
• Collaborate closely with Data Scientists, Analysts, Architects and business stakeholders.
• Participate in technical discussions, solution design and knowledge sharing.
• Troubleshoot and optimize existing data pipelines and data platforms.

Required Skills & Experience

• Minimum 6 years of experience in Data Engineering.
• Strong hands-on experience with Python and SQL.
• Strong experience with Apache Spark / PySpark.
• Experience developing ETL/ELT pipelines.
• Experience with Apache Airflow or similar orchestration tools.
• Experience with Databricks and/or Snowflake.
• Good understanding of Data Warehousing, Data Modeling and Lakehouse architectures.
• Experience with at least one major cloud platform: AWS, Azure or GCP.
• Experience with Git, CI/CD, testing and monitoring.
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder-management skills.
• Native-level German language proficiency is mandatory.
• Good English communication skills.
• Willingness to work from Bonn, Germany as required.

Nice to Have

• Experience with Kafka or other streaming technologies.
• Experience with dbt.
• Experience with Terraform / Infrastructure as Code.
• Experience with Kubernetes/Docker.
• Experience with Data Mesh or Data Product architecture.
• Experience working in consulting or customer-facing environments.