Full Time
Berlin, DE

BI Developer (m/f/d)

For our Group IT Digital Platforms Data Services we are seeking with immediate effect a BI Developer for our Berlin office.



As a BI Developer you will play a pivotal role in technically delivering our data and analytical product alongside a talented multi-disciplinary team comprising of engineering, analytics and science. In detail your tasks include:


  • Transfom complex business structures, processes and activities into technical solutions
  • Build out our data lake and transform our data into usable data views, e.g. customer 360°
  • Design, build and support scalable, high performance data applications, repositories and data governance related applications
  • Contribute to the definition of data architecture standards and establish best practices for data management (including the handling of Personally Identifiable Information - PII)
  • Design and implement logical and physical data models across platforms
  • Building ETL jobs both in batch and real-time
  • Manage equivalent, separate data sets across different development and staging environments as part of our release process
  • Seek out opportunities to propose new concepts and ideas in "Big Data", expand existing platforms or leverage new technologies to meet more complex business needs
  • Help mentoring the more junior engineers and analysts in data product development




  • Work experience on a ”Big Data platform”, enabling non-technical users to gain insights into key business metrics
  • Hands on experience with modern “Big Data” systems (e.g. Amazon RedShift, Athena, Glue); Snowflake is a bonus
  • Familiarity with a traditional BI application such as Power BI, Tableau or Spotfire
  • Hands-on ETL experience using tools like Matillion, Glue, Talend or SSIS
  • Strong SQL / NoSQL and data profiling skills
  • Experience modelling and evolving complex data structures
  • Solid understanding of data warehousing principles, concepts and best practices (e.g. ODS, Data Mart, Data Lakes)
  • Excellent knowledge of data types including JSON, XML, CSV, AVRO
  • Experience working with both modern compiled and dynamic / scripting languages: e.g. node, Scala, python
  • Excellent presentation and communications skills
  • Proven ability to evaluate business specifications, design in detail all data solutions necessary and provide technical guidance to other members of a project team
  • Fluent English language skills; German is beneficial




  • Employment with the world's leading tourism group with 30 vacation days a year and flexible working time models
  • Attractive remuneration with holiday and Christmas bonuses, company pension plans and capital-forming benefits
  • Comprehensive and individual training opportunities/programs that promote specialist and management careers
  • An open, agile and collegial working atmosphere with flat hierarchies and short decision-making processes
  • Employee benefits and other attractive social benefits (e.g. subsidy for canteen/cafeteria, job ticket, employee shares)
  • A comprehensive social & health service with a wide range of offers (company sports groups, in-house massages, regular visits to specialists, etc.)