Machine Learning Engineer II

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Machine Learning Engineer II in USA

Pinterest
Full time
Email

USA
08/28/2026
Report

Remote

Responsibilities

Execute responsible AI projects that identify, avoid, and mitigate bias across Pinterest machine learning applications, including generative AI.
Collaborate with Trust and Safety, User Modeling, and Content Understanding engineering teams to adopt and evaluate responsible AI practices and machine learning fairness tooling.
Mentor junior engineers on the Responsible AI team and across Pinterest.
Work with the team and senior leaders to define and drive technical strategy for responsible AI.
Measure, deploy, and refine fairness interventions and responsible AI solutions at scale.

Requirements

Extensive real-world experience applying advanced machine learning methods to production systems and a strong track record in responsible technology, fairness, ethics, and societal considerations.
Deep familiarity with transformer-based models, two-tower architectures, LLMs, and their applications in large-scale search and recommender systems.
Proven ability to measure, deploy, and refine fairness interventions and responsible AI solutions at scale.
At least 2 years of experience on engineering teams building large-scale ML-driven user-facing products.
Master’s or PhD in computer science or a related field.
Preferred: publications at top machine learning conferences.
Preferred: experience with Cursor, Copilot, Codex, or similar AI coding assistants.
Preferred: familiarity with LLM-powered productivity tools for documentation search, experiment analysis, SQL/data exploration, and engineering workflow acceleration.
Preferred: expertise in scalable real-time systems that process stream data and passion for applied research and the Pinterest product.

Benefits

Hybrid work model.
Not eligible for relocation assistance.
Eligible for equity.
US-based applicants only.

Salary: $139k - $286k/yr

Pinterest is a visual inspiration platform where 482 million monthly active users worldwide come to search, save, and shop the best ideas in the world for all of life’s moments. Pinterest's mission is to bring everyone the inspiration to create a life they love.

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