Applied Researcher 1
Core
Design and deploy advanced machine learning models to power search ranking, recommendation, and advertising products on eBay's global marketplace.
Role type
Applied Researcher (Machine Learning)
Builds
Production ML models for ranking, recommendation, and advertising
Domain
E-commerce, Online Advertising, Search
Deliverable
production ML models
Required skills
Machine learning (classification, regression, ranking, recommendation), Big data technologies (Hadoop, SQL, Spark), Python or R, Java/Scala/C++, Scientific publication record
Preferred skills
Experience in online advertising, ranking, recommendation, targeting, or fraud detection
Technologies
Hadoop, SQL, Spark, Python, R, Java, Scala, C/C++
Responsibilities
Design and iterate ML models for ranking and advertising, Partner with cross-functional teams to define problems and validate hypotheses, Promote scientific methodologies and evaluation frameworks, Share research contributions at internal forums and external conferences
Seniority
Mid-level (1-3 years with PhD or 3-5 years with MS)
