Director Data Science & Data Engineering
ebayinc
Job Description
Lead and inspire a cross-functional team to:
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Transform Product Data into Insights
Conduct deep-dive SQL and Python analyses to uncover opportunities in taxonomy, ontology, and catalog structure that enhance discovery and user experience. -
Harness the Power of Generative AI
Use prompt engineering and LLMs to create innovative tools for classification, taxonomy validation, and data enrichment. -
Build & Evaluate AI/ML Models
Design frameworks to evaluate product knowledge models, semantic embeddings, and ML-based categorization systems. -
Drive Data-Informed Strategy
Translate complex findings into clear, actionable insights for Product and Engineering teams. Influence roadmap decisions on entity resolution, catalog optimization, and knowledge graph development. -
Partner Across Functions
Collaborate closely with Applied Research, Engineering, and Product teams to build and deploy high-impact data and AI solutions at scale. -
Experiment & Innovate Fast
Prototype quickly, validate hypotheses, and iterate on structured data and AI-driven solutions that push boundaries.
What You Bring
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12+ years of experience in data science or analytics roles, including 5+ years leading teams
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Proven track record building data products, knowledge graphs, and scalable data pipelines
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Deep understanding of eCommerce search, recommendation systems, and product analytics
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Hands-on experience with LLMs, prompt engineering, and RAG techniques (preferred)
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Strong communication skills and ability to influence cross-functional stakeholders
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Experience evaluating ML models with custom metrics and robust frameworks
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Startup mindset—comfortable with ambiguity, bias for action, and fast iteration