Data Science Analyst

This job is with eBay, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.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 the role and the team:eBay's India Analytics Center  is a vital hub within our global analytics organization, bringing together a team of 75+ talented business analysts, data scientists, and machine learning engineers. We partner across key business areas - including Customer Service, Finance, Category Management, Seller Experience, Shipping & Logistics, and Monetization - to deliver data-driven insights that shape eBay's strategy and customer experience.We're looking for a Data Science Analyst  to join our Customer Service Science  team, with deep expertise in Large Language Models (LLMs)  and natural language understanding (NLU) . In this role, you'll help evolve Nexus , our intelligent AI-powered system that analyzes, summarizes, and surfaces customer pain points from massive volumes of unstructured data - spanning eBay's listing posts, customer support conversations, surveys, and social media feedback.As part of this team, you'll play a key role in transforming how eBay listens to and acts on customer feedback. You'll work at the intersection of AI research, data science, and business intelligence , collaborating closely with product managers, UX researchers, engineers, and analysts. You'll design and deploy models that turn qualitative feedback into actionable insights and integrate seamlessly with a JavaScript-based front end  that empowers business and product stakeholders to explore and act on customer sentiment in real time.What you will accomplish:Modeling & NLP Development Design LLM-based pipelines  (e.g., using Langchain frameworks) to identify and summarize customer pain points from textual data.Develop summarization, clustering, and topic modeling  approaches to group recurring themes across markets and product lines.Apply prompt engineering , retrieval-augmented generation (RAG) , and embedding search  to improve model accuracy and relevance.Use machine learning methods in concert with LLM.Data Engineering & Processing Build and maintain data pipelines to ingest and clean data from diverse sources (e.g., surveys, customer support tickets, product reviews, social media, and CRM systems).Ensure data quality, scalability, and compliance  with internal governance and data privacy policies.Productionize models  and integrate outputs with downstream systems and dashboards.Insights Delivery & Visualization Design and build interactive visualizations  (in JavaScript) that make model outputs accessible and actionable for non-technical stakeholders.Partner with Insights teams to create data stories and presentations  that influence business strategy using clear, human-readable summaries of complex findings.What you will bring:Ability to derive insight  from data, visualize  it appropriately and influence  others to drive outcomesMSc or PhD in Computer Science, Data Science, Statistics, or a related field .4+ years of experience in machine learning , NLP , or data-driven product development .Strong coding proficiency in Python  (Pandas, PyTorch, Hugging Face, LangChain, umap, hdbscan, etc.)Strong experience with front end development with JavaScript and data visualization libraries (e.g. D3.js)Experience deploying and managing machine learning services in containerized environments using Docker  and Kubernetes .Deep understanding of vector databases , semantic search , and embedding-based retrieval systems .Proficient with GitHub and modern version control best practices (e.g. code reviews, CI/CD workflows).Proven experience working with large-scale unstructured text data .Please see the Talent Privacy Notice for information regarding how eBay handles your personal data collected when you use the eBay Careers website or apply for a job with eBay.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  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.The eBay Jobs website uses cookies to enhance your experience. By continuing to browse the site, you agree to our use of cookies. Visit our Privacy Center for more information.