Senior Research Scientist - Personalization/Ads Ranking
Core
Designing and scaling advanced ranking, personalization, and monetization models for Yahoo Mail's user experience and revenue optimization.
Role type
Senior Research Scientist (Personalization/Ads Ranking)
Builds
Intelligent revenue forecasting, ads relevance/targeting systems, offer selection, and dynamic pricing models for Yahoo Mail.
Domain
Internet services / Machine Learning / Monetization
Deliverable
production ML models
Required skills
Machine learning, deep learning, transformer-based models, Python, TensorFlow/PyTorch, causal inference, reinforcement learning, LLM fine-tuning, experimental design, A/B testing, cloud platforms (GCP/AWS), large-scale data processing (Hadoop/Spark)
Preferred skills
AI-assisted development tools, peer-reviewed publications, Kaggle competitions
Technologies
GCP, AWS, Hadoop, Spark, TensorFlow, PyTorch, Hugging Face, Pandas, NumPy, Anthropic Claude
Responsibilities
Lead research and algorithmic design for ranking, personalization, and ads targeting; design, train, and evaluate state-of-the-art ML and RL models; establish robust experimental standards and scalable modeling workflows; incorporate LLM-driven synthesis into monetization models; collaborate with engineering to transition models to production; simplify model architectures and address bottlenecks; mentor senior and mid-level research scientists.
Seniority
Senior, hands-on research leader with mentorship responsibilities
