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DEDelivery Hero

Principal Data Scientist - Vendor Recommendations & AI(m/w/x)

Berlin
Full-timeWith Home Office
AI/ML
Data Science

Designing and deploying large-scale AI recommendation systems for vendor success. Expertise in time series analysis and causal inference required. 27 days holiday, with extra days after 2nd and 3rd year.

Requirements

  • Expertise in designing, building, deploying recommendation systems
  • Expertise in timeseries analysis and sequence modeling
  • Proven ability in causal inference and experimentation
  • Deep expertise in analytical frameworks for take rate optimization
  • Mastery in multi-objective optimization
  • Deep experience in real-time decision-making algorithms
  • Strong foundation in Bayesian methods and uncertainty quantification
  • Deep operational knowledge of deploying models using Python frameworks
  • Ability to define 2+ year technical roadmap for Data Science
  • Track record of translating ML/statistical findings to executive narratives
  • History of mentoring Staff and Senior Data Scientists
  • Expertise in Reinforcement Learning (RL)
  • Familiarity with Game Theory or Mechanism Design
  • Major Contributions in Large-Scale Recommendation Systems or Time-Series Forecasting
  • Expertise in designing feature stores and serving pipelines

Tasks

  • Lead design, build, and deployment of large-scale AI recommendation systems
  • Maximize business outcomes for the vendor vertical
  • Own architecture and modeling for Next Best Action framework
  • Determine optimal sequence and timing of actions for vendor success
  • Lead advanced time series modeling for demand prediction
  • Forecast vendor performance and long-term trends
  • Optimize take rate using statistical rigor and causal methods
  • Measure incrementality and efficiency of pricing and adtech levers
  • Partner with Product, Engineering, and Commercial teams
  • Validate or debunk business hypotheses
  • Drive alignment on recommendations strategy

Education

  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • two-tower models
  • deep sequence models
  • Graph Neural Networks
  • LSTMs
  • transformers
  • Python
  • Keras
  • scikit-learn
  • Reinforcement Learning (RL)
  • Multi-Agent RL
  • contextual bandits

Benefits

More Vacation Days

  • 27 days holiday
  • Extra holiday day on 2nd year of service
  • Extra holiday day on 3rd year of service

Additional Allowances

  • 1000 EUR Educational Budget
  • Digital meal vouchers
  • Food vouchers

Learning & Development

  • Language courses
  • Udemy Business platform access

Family Support

  • Parental support

Healthcare & Fitness

  • Health checkups
  • Gym subsidy

Mental Health Support

  • Meditation

Company Bike

  • Bicycle subsidy

Competitive Pay

  • Employee Share Purchase Plan

Workation & Sabbatical

  • Sabbatical bank

Public Transport Subsidies

  • Public transportation ticket discount

Other Benefits

  • Life & accident insurance

Retirement Plans

  • Corporate pension plan

Corporate Discounts

  • Corporate discounts
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of Delivery Hero 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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