Senior Machine Learning Engineer, EPD Ads

What you'll do

• Build cutting-edge technology using deep learning and machine learning to personalize the Pinterest platform.
• Develop and execute a vision for the evolution of the machine learning technology stack within Ads.
• Experiment with and improve ML models for Homefeed, Ads, Growth, Shopping, and Search surfaces.
• Use data-driven methods and unique data properties to improve candidate retrieval.
• Leverage Large Language Models (LLMs) to enhance content understanding.
• Build data processing pipelines and large-scale machine learning systems using big data technologies.
• Monitor and stay current with industry trends in recommendation systems.

What we're looking for

• 2+ years of industry experience applying machine learning methods such as personalization, recommender systems, search, ranking, or NLP.
• Degree in computer science, statistics, or a related field, or equivalent experience.
• End-to-end hands-on experience building data processing pipelines, large-scale machine learning systems, and big data technologies like Hadoop/Spark.
• Practical knowledge of large-scale recommender systems, modern ads ranking, retrieval, targeting, or marketplace systems.
• M.S. or PhD in Machine Learning or related areas (preferred).
• Publications at top ML conferences (preferred).
• Experience using AI coding assistants like Cursor, Copilot, or Codex for development and debugging (preferred).
• Expertise in scalable realtime systems that process stream data (preferred).