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BI Developer


  • Interface with reporting experts within the Record to Report department in Germany
    and with the internal clients / users to clearly understand the requests and requirements for the application in scope.
  • Integration of management requirements with the central Deutsche Telekom platforms (using standard software tools).
  • Maintain and support data analytics platforms (e.g. MicroStrategy)
  • Creating or connecting the data source in order to retrieve it in the Microstrategy/ Infor BI Application Studio.
  • Conduct unit testing and troubleshooting
  • Evaluate and improve existing BI system (MicroStrategy)
  • Develop and execute database queries and conduct analyses
  • Create visualizations and reports for requested projects
  • Prepare and deliver ad-hoc requirements on Operational TL / Internal client’s demands.


  • Business experience in controlling, accounting, management reporting,
  • Power user experience with management information systems / reporting systems (Microstrategy, Infor BI, SAP Analytics Cloud, SAP Lumira, Tableau, Qlik Sense, Power BI, etc.)
  • Comprehensive skills with Access and VBA programming/ Experience in OLAP databases or any multidimensional databases is beneficial.
  • Experience in MOLAP databases Infor MIS Alea, Oracle Essbase,SQL
  • Knowledge about the central key performance indicators used within a big company.
  • Ability to diagnose & address/debug application issues.
  • Language: Fluent written and spoken English, German skills would be an advantage

Interpersonal Skills

  • Proactivity towards customer service is essential
  • Flexible and responsive to changing work patterns and demands
  • A thorough and methodical approach to work
  • Good while working in the team but also able to take initiative as lead in different projects
  • Highly developed skills in interpersonal communication
  • Knowledge sharing – active contributor


  • Motivational financial package:
  • Meal tickets
  • Medical insurance
  • Opportunities to grow and develop in a start-up environment
  • Dynamic and multicultural working environment
  • Great training opportunities
  • Transportation
  • Extra days off based on seniority