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Software Engineer

Netflix - 1d ago

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Senior Software Engineer

Reddit - 4d ago

Principal Data Scientist - Vendor Recommendations & AI

Requirements

  • End-to-End Ownership: Lead the design, build, and deployment of large-scale AI recommendation systems
  • Next Best Action (NBA) Framework: Own the architecture and modeling for determining the optimal sequence and timing of actions
  • Strategic Time-Series & Forecasting: Lead all core initiatives in advanced time series modeling
  • Commercial Insights & Take Rate: Act as the technical authority for take rate optimization
  • Cross-Functional Alignment: Act as the primary technical partner for Product, Engineering, and Commercial teams

Nice to Haves

  • 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 for sequence and time-series features

What You'll Be Doing

  • Lead the design, build, and deployment of large-scale AI recommendation systems
  • Own the architecture and modeling for determining the optimal sequence and timing of actions
  • Lead all core initiatives in advanced time series modeling
  • Act as the technical authority for take rate optimization
  • Act as the primary technical partner for Product, Engineering, and Commercial teams

Perks and Benefits

  • Hybrid working model for face-to-face connection and collaboration
  • 27 days holiday with an extra day on 2nd and 3rd year of service
  • Development opportunities with an Educational Budget, Language Courses, and more
  • Health benefits including Health Checkups, Meditation, Gym & Bicycle Subsidy
  • Financial perks like Employee Share Purchase Plan, Life & Accident Insurance, and more
  • Meal vouchers, Corporate Discounts, and more
AI Summary ✨
Delivery Hero logo

Delivery Hero

Berlin, Germany

Experience: Principal
Posted: March 9, 2026
Last seen: 21 minutes ago
Python
machinelearning

Why we track Delivery Hero

Delivery Hero is Berlin-based and operates across dozens of countries. The engineering challenges around real-time logistics, marketplace dynamics, and scale are genuinely hard. One of the bigger European tech companies that doesn't get as much attention as it should.

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