Sr. Machine Learning Engineer, Core Engineering
Core
Build cutting-edge deep learning and machine learning systems to personalize Pinterest's product surfaces (Homefeed, Ads, Growth, Shopping, Search) and improve candidate retrieval.
Role type
Senior IC machine learning engineer (recommendation systems)
Builds
Large-scale recommendation systems and personalized user experiences for Pinterest's global platform
Domain
Social media / Recommendation systems / Deep learning
Deliverable
production ML models
Required skills
Deep learning, machine learning, user modeling, personalization, recommender systems, search, ranking, natural language processing, reinforcement learning, graph representation learning, data processing pipelines, big data technologies (Hadoop/Spark)
Preferred skills
AI coding assistants (Cursor, Copilot, Codex), LLM-powered productivity tools, scalable realtime stream data systems, MS/PhD in CS/ML/NLP/Statistics
Technologies
Hadoop, Spark, deep learning frameworks, LLMs
Responsibilities
Build technology using latest advances in deep learning and ML; Partner with teams to experiment and improve ML models for various product surfaces; Use data-driven methods to improve candidate retrieval; Work in a high-impact environment with quick experimentation and product launches; Keep up with industry trends in recommendation systems