(Junior) Business Intelligence Manager | (Junior) Business Intelligence Manager (m/w/d) Mobilfunk

CHECK24 Services Personal GmbH

Köln, Nordrhein-Westfalen, Deutschland
Published Mar 24, 2026
Full-time
Permanent

Job Summary

As a (Junior) Business Intelligence Manager for the mobile communications comparison division, you will be responsible for transforming complex data into actionable business insights. Your day-to-day activities involve developing interactive dashboards and reports using tools like Apache Superset or Tableau, and collaborating closely with product management, controlling, and partner management to optimize the user experience for over 20 million customers. You will play a key role in designing scalable reporting and tracking structures, defining KPIs, and integrating innovative AI solutions into existing BI processes. This position is ideal for a data-driven professional who enjoys a 'hands-on' approach and wants to work in an agile, startup-like environment within a market-leading company. The role offers high impact on product development and attractive benefits, including modern equipment, personal development budgets, and flexible working arrangements in the heart of Cologne.

Required Skills

Education

University degree in Business Administration, Economics, Business Informatics, Mathematics, or a comparable quantitative field of study.

Experience

  • Initial professional experience in Data Analytics, Business Intelligence, or Tracking, preferably within a digital environment
  • Professional experience in handling databases and SQL
  • Practical experience in Python development and ETL pipelines
  • Experience in data visualization and web analytics
  • Experience working in agile teams and cross-functional collaboration

Languages

German (Fluent)English (Fluent)

Additional

  • Requirement of C1 level proficiency in both German and English. Role is based in Cologne with a permanent contract. Includes specific work-life balance options such as mobile work or additional vacation days.