onsite

Data Engineer - Business Intelligence BI - 1 & 1 Mail & Media Applications SE

Data Engineer

We're looking for a Data Engineer focused on designing and building scalable technical solutions. This mid level role requires 3+ years of relevant experience.

About the role

Data Engineer - Business Intelligence BI at 1 & 1 Mail & Media Applications SE.

Key technologies: Apache Spark, SQL, Airflow.

Key Responsibilities

Design and build scalable data pipelines and ETL workflows
Maintain data warehouse infrastructure and optimize query performance
Work with data scientists and analysts to deliver data products
Ensure data quality, lineage and governance standards

Requirements

3+ years of relevant experience in data engineer
Proficiency in SQL and Python for data engineering
Familiarity with cloud data platforms (Databricks, Snowflake, BigQuery)

Skills

apache sparksqlairflow

Company1 & 1 Mail & Media Applications SE

DepartmentEngineering

LocationKarlsruhe, Germany

Experience3+ years

Tenurefull-time

LevelMid-Level

Posted June 22, 2026