Senior Data Scientist - Recommendation Systems Pod

Tasks

• Apply counterfactual off policy evaluation
• Build two stage retrieval and ranking systems
• Correct position and presentation bias
• Define offline and online evaluation metrics
• Define serving time logging and unbiased training data
• Design train deploy personalization models
• Develop multi objective ranking models
• Integrate model outputs with platform APIs
• Mentor junior data scientists
• Productionize real time feature pipelines
• Run online experiments with guardrail metrics

Perks/Benefits

• Mentorship opportunities

Skills/Tech-stack

Attention Mechanisms | BigQuery | ClickHouse | Cloud Computing | Containerization | Counterfactual evaluation | Deep learning | Embeddings | Faiss | Feature Engineering | GRU | Kafka | Learning-to-Rank | LightGBM | Listwise Ranking | Machine Learning | Model Monitoring | Multi-Objective Optimization | Multi-task Learning | Objective optimization | Off Policy | Off-policy evaluation | Online Experimentation | Pairwise Ranking | Pointwise Ranking | Policy Evaluation | Recommendation Systems | ScaNN | Spark | Transformers | Uplift Modeling | XGBoost