Data Scientist 1 , Knowledge Management

Posted 11 Days Ago
Bengaluru, Bengaluru Urban, Karnataka, IND
In-Office
Junior
eCommerce • Retail
The Role
Analyze and prototype on eCommerce taxonomy, ontology, and catalog data using SQL and Python; experiment with LLMs and prompt engineering to automate classification and enrichment; evaluate model and embedding performance; collaborate with product and engineering to improve search and recommendations.
Summary Generated by Built In

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.

Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.

About Team and Role

We’re building the future of eCommerce product discovery, and we need a data-driven, AI-curious problem solver to join our team.

This is an exciting, hands-on role at the intersection of data analytics, AI/ML experimentation, and prompt engineering—ideal for an early-career professional who loves writing SQL queries, building Python scripts, and experimenting with LLMs to solve real-world problems. You’ll be embedded in the Product Knowledge org, helping us clean, structure, and optimize taxonomy, ontology, and catalog data for next-gen search and recommendation engines.

If you are eager to learn, thrive in fast-moving environments, and want to work directly with AI/ML, Product, and Engineering teams, this is the perfect place to accelerate your career.

What You’ll Do
  • 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.

What We’re Looking For
  • 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.

Why Join Us?
  • Kickstart Your AI Career: Get hands-on, real-world experience with AI/ML and LLMs in a high-scale environment.

  • Learn from the Best: Work directly alongside senior AI, Data Science, and Product teams.

  • Fast-Track Growth: Build foundational skills rapidly in a supportive, high-velocity, startup-like culture.

  • Make a Visible Impact: See your data analysis directly improve how millions of users discover products.

Additional Details

eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at [email protected]. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities.


We use cookies to enhance your experience and may use AI tools for administrative tasks in the hiring process. To learn how we handle your personal data and use AI responsibly, please visit our Talent Privacy Notice, Privacy Center, and AI Hiring Guidelines.

Skills Required

  • 2+ years of hands-on experience in data analytics, product analytics, or junior data science
  • Proficiency in SQL for data extraction and analysis
  • Proficiency in Python for scripting and data manipulation
  • Hands-on familiarity or side-project experience with LLMs, prompt engineering, or RAG concepts
  • Experience or strong interest in eCommerce search, recommendations, taxonomy, ontology, catalog data, or knowledge graphs
  • Ability to test and evaluate models, semantic search solutions, and embeddings against metrics
  • Analytical mindset, eagerness to learn, high energy, adaptability, and strong communication skills

eBay Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about eBay and has not been reviewed or approved by eBay.

  • Healthcare Strength Medical, dental, and vision coverage begin on the date of hire, complemented by mental health resources, an EAP, disability coverage, FSAs, and wellness initiatives.
  • Leave & Time Off Breadth A robust mix of PTO, paid holidays, flexible work styles, parental leave, and a four‑week paid sabbatical after five years supports work‑life balance.
  • Equity Value & Accessibility Total compensation commonly includes stock components, with access to an employee stock purchase plan at a discount and stock awards enhancing overall packages.

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The Company
HQ: San Jose, CA
26,035 Employees

What We Do

eBay Inc. is a global commerce leader that connects millions of buyers and sellers around the world. We exist to enable economic opportunity for individuals, entrepreneurs, businesses and organizations of all sizes. Our portfolio of brands includes eBay Marketplace and eBay Classifieds Group, operating in 190 markets around the world. We offer sellers the ability to grow a business with little barrier to entry regardless of size, background or geographic location. We never compete with our sellers. We win when our sellers succeed. Buyers who shop on our Marketplace and Classifieds platforms enjoy a highly personalized experience with an unparalleled selection at great value.

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