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.

Additional Benefits

Job Infos

Location: Ingolstadt

MediaMarktSaturn Retail Group

Department: Internships & Students

Entrylevel: Students

Type of Employement: Part Time

Working Hours: 20

Persona: Job Requisition HQ Young Talent

Recruiter: Laura Schröder

About MediaMarktSaturn

MediaMarktSaturn is Europe’s leading consumer electronics retailer and provider of related services. The company operates with approximately 1,000 stores in 11 European countries with online sales platforms, claiming market position 1 or 2 in nine European countries.

As part of its strategic realignment, the company is developing itself from a classical product seller to a solutions-oriented omnichannel platform which integrates the topics customer and sustainability into all of its business activities. MediaMarktSaturn is using the term "Experience Electronics" to describe its repositioning and, at the same time, the range of services it offers its customers. With its portfolio of formats and brands, the electronics retailer is focusing on customer experience and personal advice. The own brands PEAQ, KOENIC, ISY and ok. round off the portfolio. MediaMarktSaturn employs around 50,000 people and is majority-owned by CECONOMY AG. The company's sales amounted to around EUR 22.2 billion in fiscal year 2022/23, with online sales accounting for 22 percent of this figure. With around 2 billion customer contacts per year across all channels, the electronics retailer has an enormous reach. (Data as of 30 September 2023)

Visit https://www.mediamarktsaturn.com/career-at-mediamarktsaturn for more information on MediaMarktSaturn as an employer and current vacancies.

https://www.mediamarktsaturn.com/imprint

Industry

Retail & Ecommerce

Company Size

10,000+ employees

Headquarters

Ingolstadt, DE

Year Founded

Unknown

Website

mediamarktsaturn.com

Social Media

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