Internship Data Base Engineering (3 to 6 months) (m/w/d)

About the job

Are you curious and eager to seize new opportunities? Do you go the extra mile and have an open, communicative personality with a strong customer and solution orientation? Then let's exceed our customers' expectations together and continue the success story of VP Bank. With us, you'll find space for bold ideas and the opportunity to actively shape the future.

• Support the BI team in designing, maintaining, and optimizing data systems that enable high‑quality analytics and reporting
• Contribute to ETL/ELT pipelines using Python to transport and transform data from multiple sources
• Assist in database modeling & optimization (schemas, tables, performance tuning, integrity)
• Develop and maintain SQL queries and stored procedures for extraction, quality checks, and reporting
• Conduct data quality assessments and help resolve inconsistencies, missing values, and integrity issues
• Support documentation and data cataloging, including data dictionaries and process descriptions
• Assist in the procurement and integration of new data sources
• Collaborate with front‑ and back‑office teams and support BI with ad‑hoc requests

• Bachelor's or Master's student in computer science, data engineering, data science, or a related quantitative field - or equivalent practical experience (e.g., apprenticeship)
• Excellent written and spoken English skills
• Basic understanding of data modeling concepts, such as star/snowflake schemas, normalization, and relational database design
• Familiarity with Python 3 and PostgreSQL (experience with other major relational databases is welcome; Excel, Tableau, and Power BI are a plus)
• Strong analytical and problem‑solving skills with the ability to investigate data issues, identify root causes, and propose solutions
• Industry experience or basic understanding of banking is a plus