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# Data Scientist 1, Knowledge Management

- **Company:** eBay
- **Location:** San Jose, CA, United States (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Graph Database, Knowledge Management, SQL Databases, Test Data, Usage Analysis, Scripting, Large Language Models, Prompt Engineering, Model Validation, Data Strategy, Data Analytics
- **Published:** July 19, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/p5tw10thui

## About the Role

* Experience: 2+ years of hands-on experience in a data analytics, product analytics, or junior data science role.
 * Core Technical Skills: Solid proficiency in SQL and Python for data extraction, manipulation, and analysis.
 * Eagerness to Learn: Strong interest in eCommerce search, recommendations, or knowledge graphs (prior exposure is a big plus).
 * AI/LLM Curiosity: Hands-on familiarity or side-project experience with LLMs, prompt engineering, or RAG concepts.
 * Analytical Mindset: Ability to look at data, spot patterns, and clearly communicate findings to immediate team members.
 * Growth Mindset: High energy, adaptability, and the ability to thrive and pick up new skills quickly in a fast-paced environment.

## Description

* Analyze eCommerce Product Data: Run SQL queries and Python scripts to analyze taxonomy, ontology, and catalog data, identifying gaps and opportunities for search improvement.
 * Experiment with LLMs: Assist in building and testing prompt engineering workflows to automate data enrichment, product classification, and taxonomy validation.
 * Support Model Evaluation: Help test and evaluate the performance of product knowledge models, semantic search solutions, and embeddings against defined metrics.
 * Collaborate Cross-Functionally: Work closely with data scientists, product managers, and engineers to execute data strategies and refine AI-based classification models.
 * Build Quick Prototypes: Move fast to test data hypotheses, run experiments, and help validate new structured data ideas for better product discovery.


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