19h ago

Staff Data Scientist

Hamburg

โœจ $150k-$210k / yearest.

full-timesenior Hybridmedia Visa Sponsor

๐Ÿ›  Tech Stack

๐Ÿ’ผ About This Role

You'll lead the design of sophisticated targeting models and bidding optimization algorithms for a leading mobile ad platform. Your work will directly impact billions of daily predictions and drive ad revenue. You'll mentor colleagues and champion best practices in a fast-moving, innovative team.

๐ŸŽฏ What You'll Do

  • Design and refine relevance models for ad targeting
  • Develop and optimize bidding policies using Bayesian methods and RL
  • Build meta-learning frameworks for personalized ads
  • Conduct rigorous A/B testing and experimentation

๐Ÿ“‹ Requirements

  • 7+ years experience with deep ML models in ad tech
  • Designed bidding or LTV prediction algorithms for ad tech
  • Proficient with distributed data processing tools like AWS Athena, Spark, Ray

โœจ Nice to Have

  • Experience with performance advertising or gaming
  • Strong mathematical foundation and communication skills
  • Mentoring and team collaboration experience

๐ŸŽ Benefits & Perks

  • ๐Ÿ–๏ธ 30 vacation days plus flexible working hours
  • ๐Ÿ’ช Free gym access and mental health support through EAP
  • ๐ŸŒ 3 weeks remote work per year
  • ๐Ÿ› ๏ธ Top-notch equipment and central office with Alster Lake view
  • ๐ŸŽ‰ Regular team events and hackathons

๐Ÿ“จ Hiring Process

Estimated timeline: 3-5 weeks ยท AI estimate

  1. 1Recruiter Screenยท 30 min
  2. 2Technical Interviewยท 60 min
  3. 3System Designยท 60 min
  4. 4Hiring Manager Interviewยท 45 min
  5. 5Offerยท 30 min
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