Applied Researcher
Core
Design and prototype agentic AI systems capable of multi-step reasoning, planning, and tool use across eBay's marketplace infrastructure to assist buyers and sellers.
Role type
Applied Researcher (Agentic AI & LLMs)
Builds
AI agents for product discovery, listing creation, pricing guidance, and seller assistance
Domain
E-commerce / Agentic AI / Large Language Models
Deliverable
production ML models
Required skills
Large Language Models (LLMs), Natural Language Processing, Recommender systems, Information retrieval, Retrieval-augmented generation (RAG), Python, Distributed data processing (Spark), Machine learning experimentation, Evaluation methodologies (offline metrics, human evaluation, A/B testing)
Preferred skills
Tool-using LLMs, Multi-step workflows and planning, Memory or stateful agents, Orchestration frameworks, Agent evaluation and reliability techniques
Technologies
Python, Spark, LLM frameworks
Responsibilities
Design and prototype agentic AI systems; Develop and evaluate LLM-based systems for commerce tasks; Advance RAG and knowledge-grounded AI techniques; Build robust evaluation frameworks; Collaborate with engineering teams to translate prototypes to production; Analyze large-scale datasets for user behavior insights
Seniority
Senior, hands-on IC
