Senior ML Engineer, Core Eng — Personalization

Pinterest; California (MO); Remote; USD 140,000 - 220,000; Full time

Job summary

Pinterest is seeking a seasoned ML Engineer to build and optimize large-scale recommendation and personalization systems. You will work with cross-functional teams to experiment, deploy, and iterate models affecting Homefeed, Ads, Growth, Shopping, and Search.

The role requires 4+ years of ML experience, data pipeline expertise, and a passion for scalable, real-time systems and cutting-edge research.

Qualifications

• 4+ years of industry experience applying machine learning methods.
• Experience with building data processing pipelines and large-scale ML systems.
• Degree in computer science, machine learning, statistics or related field.

Responsibilities

• Develop and deploy ML models to personalize Pinterest experiences.
• Collaborate with cross-functional teams to improve model surfaces (Homefeed, Ads, Growth, Shopping, Search).
• Experiment with data-driven methods to enhance retrieval and recommendations.
• Stay current with trends in recommendation systems and scalable systems.

Skills

Machine learning experience

Recommender systems

Data pipelines

Big data tech

Research & evaluation

Education

MS/PhD in CS/ML/NLP/Stats

Tools

Cursor

Copilot

Codex

LLM productivity tools

Job description

Pinterest is seeking a seasoned ML Engineer to build and optimize large-scale recommendation and personalization systems. You will work with cross-functional teams to experiment, deploy, and iterate models affecting Homefeed, Ads, Growth, Shopping, and Search.

The role requires 4+ years of ML experience, data pipeline expertise, and a passion for scalable, real-time systems and cutting-edge research.