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TRtrivago

Data Scientist - AI Search & Ranking(m/w/x)

Düsseldorf
Full-timeWith Home OfficeSenior
AI/ML
Data Science

Building and productionizing AI search and ranking algorithms for a global hotel metasearch engine. Deep expertise in semantic search and LLMs required. Up to 20 days remote work abroad annually.

Requirements

  • 5+ years experience in search, IR, NLP, ML, or DL with product impact
  • Deep expertise in semantic search technologies
  • Proficiency with LLMs and transformer architectures
  • Strong Python and SQL skills
  • Experience using ML frameworks (PyTorch, TensorFlow, HuggingFace)
  • Solid foundation in statistics
  • Ability to design, execute, and analyze A/B tests
  • Apply causal inference methods
  • Excellent communication and collaboration skills
  • Ability to explain complex ideas to non-technical stakeholders
  • Ability to mentor junior team members
  • Master’s or PhD in relevant field
  • Willingness to apply even if not all boxes ticked

Tasks

  • Analyze large datasets for patterns
  • Share insights for strategic decisions
  • Build and productionize algorithms
  • Use predictive, statistical, ML, or deep learning
  • Design scalable search architectures
  • Integrate semantic retrieval and query understanding
  • Implement Learning-to-Rank algorithms
  • Drive ML solutions end-to-end
  • Ensure robustness and reliability at scale
  • Perform quality checks for junior data scientists
  • Provide constructive feedback
  • Share knowledge and best practices
  • Collaborate with engineers and product managers
  • Deliver ML systems impacting travelers

Work Experience

  • 5 years

Education

  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • Python
  • SQL
  • PyTorch
  • TensorFlow
  • HuggingFace
  • BERT
  • T5
  • GPT

Benefits

Flexible Working

  • Flexible working hours
  • Up to 2 WFH days weekly

Workation & Sabbatical

  • Up to 20 days remote work abroad annually

Mentorship & Coaching

  • Personalized coaching

Learning & Development

  • Workshops
  • Educational meetups
  • Conferences
  • Online learning courses
  • Free language classes

Other Benefits

  • Campus library access
  • Visa support
  • Relocation package
  • Interest-free newcomer loan
  • Focused work areas

Team Events

  • Team events
  • Company-wide events

More Vacation Days

  • Self-determined vacation
  • Minimum 25 vacation days

Childcare

  • Nanny assistance platform access
  • On-campus kids room

Free or Subsidized Food

  • Daily canteen budget

Snacks & Drinks

  • Complimentary snacks and drinks

Healthcare & Fitness

  • On-site gym
  • Sports classes
  • Urban Sports Club membership

Ergonomic Workplace

  • Ergonomic desks
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of trivago and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.

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