Senior ML Engineer - SEO Science
Core
Design, build, and deploy large-scale AI and Machine Learning solutions powering search, discovery, content intelligence, and operational automation for eBay's global marketplace.
Role type
Senior Machine Learning Engineer (Search & Discovery)
Builds
Production-grade ML systems, RAG architectures, Agentic AI workflows, Knowledge Graphs, and real-time inference platforms for e-commerce search and catalog management.
Domain
E-commerce, Search Technologies, Generative AI, Knowledge Graphs
Deliverable
production ML models
Required skills
Python, distributed data processing (Spark, PySpark, Hadoop, SQL), ML pipeline design, production ML deployment, technical leadership
Preferred skills
Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Agentic AI frameworks, Knowledge Graphs, Vector Databases, MLOps, Model Serving, Search/Recommendation systems, Cloud platforms (AWS, GCP, Azure)
Technologies
Spark, PySpark, Hadoop, SQL, Vector Databases, Embedding Models, LLMs, RAG systems, Agentic AI frameworks
Responsibilities
Design and deploy scalable ML pipelines and feature stores; Build and optimize RAG architectures; Design Agentic AI solutions for workflow orchestration; Collaborate on AI strategy and roadmap; Mentor engineers and establish engineering best practices.
Seniority
Senior, hands-on IC with technical leadership
