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Bertelsmann

Global media, services, and education conglomerate

Data Scientist - Applied AI

Data ScienceConfirmed live in the last 24 hours
Full-timeBerlin, GermanyNo salary listed

About the Job

Requirements

  • Bring technical foundations in computer science, software development, or data science, gained through study, a doctorate, or practical experience, and justify method choices and critically evaluate results.
  • Understand AI concepts, including the difference between prefill and decode and their effects on latency and cost.
  • Use coding agents to develop more quickly, validate generated code, test results, and understand how the application and its components work.
  • Structure experimentation by writing clear specifications, defining a Definition of Done, and using appropriate tests and evaluations to verify solution quality.
  • Share knowledge, discuss technical decisions, and provide respectful, direct feedback.
  • Be willing to travel to and attend occasional workshops, team sessions, and the annual company offsite.

Responsibilities

  • Develop agents that retrieve information across large document collections.
  • Investigate how to assess completeness, contradictions, and source quality, and make answers traceable with visible uncertainty.
  • Develop forecasting models for advertising-block performance.
  • Evaluate uncertainty, measurement errors, and model validity.
  • Process large datasets with Spark on the company's cluster and investigate how data quality or processing affects results.
  • Form hypotheses, design meaningful tests, and learn from evaluation results, including unexpected results.
  • Independently develop an approach into a robust prototype, seek feedback, and work with the team on robust solutions.
  • Support the transition of prototypes into products by sharing knowledge of the problem and solution with engineering.
  • Evaluate data questions for other teams, identify useful applications of AI, and provide recommendations or prototypes as needed.

Desired Qualifications

  • Experience with natural language processing, computational linguistics, agentic retrieval, or developing large language model agents.

About the Company

Bertelsmann

Global media, services, and education conglomerate

Bertelsmann is a global media, services, and education group made up of eight autonomous divisions, including RTL Group, Penguin Random House, BMG, and Arvato. It operates across B2B and B2C markets, with activities in broadcasting, book publishing, music rights management, and business process outsourcing. Its products range from streaming subscriptions and printed books to logistics, CRM services, and AI-powered content and rights-management tools. The company differentiates itself through a decentralized, entrepreneur-led structure that reinvests profits into content and digital infrastructure via its Boost program, backed by private foundations and the Mohn family. It aims to grow organically and through selective acquisitions while leveraging large-scale data and cross-divisional synergies to deliver personalized content and service experiences at a global scale.

Company size
10,001+
Company stage
Debt Financing
Total funding
$1.4B
Headquarters
Gütersloh, Germany
Founded
1835

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