Jobs and Careers

Working Student Product Customer Engagement - Data (m/f/d)

MediaMarktSaturn

Ingolstadt, Germanypart_timeVerifiedPosted 1 Apr 2026

About the role

Your Tasks

Support for the development and maintenance of data pipelines (ETL/ELT)
Writing, optimization, and maintenance of SQL queries in BigQuery
Assistance in building and managing datasets within Google BigQuery
Execution of data validation, quality checks, and reconciliation processes
Preparation and structuring of datasets for AI/ML use cases
Collaboration with Data Engineers and Data Scientists in: Feature preparation, Data modeling and transformation
Contribution to documentation and the establishment of data standards
Support for ongoing data platform and migration initiatives

Your Profile

Enrolled in a Master’s program (e.g., Computer Science, Data Engineering, Data Science, Information Systems)
Strong SQL skills (joins, aggregations, window functions)
Good knowledge of Python (data handling with pandas)
Hands-on experience with Google BigQuery
- Querying large datasets
- Basic understanding of partitioning and performance optimization
Understanding of data structures and data modeling basics
Exposure to GCP (Google Cloud Platform) ecosystem
Basic understanding of ETL/ELT pipelines
Familiarity with tools like Airflow, dbt, or similar
Initial experience with AI/ML workflows
- Data preparation, feature engineering
Awareness of analytics or event-based data (e.g., tracking, CDP)
Strong analytical and structured thinking
Curiosity and willingness to learn
Ability to work independently with guidance
Fluent in English (German is a plus)

About Us

We are looking for you as a Working Student (m/f/d) in our Product delivery team to drive our strategic data projects forward with your innovative approach and fresh ideas. Our interdisciplinary team is characterized by agility, openness and respect. With us, you have the opportunity to contribute new impulses, actively shape processes and shape the retail media world of MediaMarktSaturn in a forward-looking way.

The best solutions come from bringing together diverse perspectives. Embracing diversity is key to achieving our vision of becoming the Experience Champion. We value inclusion, foster equal opportunity, and welcome you to be part of our team.