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[Remote] Principal Engineer, AI Platform

Remote, USA Full-time Posted 2026-06-16

Note: The job is a remote job and is open to candidates in USA. Pinterest is a platform that inspires millions of people to create a life they love. As a Principal Engineer on the AI Platform team, you will architect infrastructure for Generative AI and Recommender Systems, ensuring scalability and performance for a vast user base.

Responsibilities

  • Set the technical vision and roadmap for the Pinterest AI Platform, aligning with business priorities and long-term company strategy
  • Drive cross-functional strategic initiatives that advance our platform capabilities across: Generative AI: multimodal data management, post-training, evaluation, and batch/online inference. Recommender Systems: feature stores, training infra, and large-scale high performance inference. AI-powered tools that automate the user experience across our platforms, connecting every stage of the AI/ML lifecycle to enhance productivity and accelerate development
  • Cultivate a collaborative and inclusive culture where every team member feels welcome and empowered, and provide candid, constructive feedback that accelerates individual and team growth

Skills

  • Deep expertise in AI/ML infrastructure and distributed systems: Hands-on experience designing, building, and operating highly available, production-grade systems at large scale; strong technical judgment; and proficiency in at least one of C++, Java, or Rust
  • Proven track record of company-wide impact: Experience leading cross-organizational initiatives, navigating ambiguity, defining technical strategy, influencing architecture decisions, and aligning cross-functional partners and executives around a shared direction
  • Strong ownership and a high engineering bar: Sets and upholds high standards for engineering quality, integrity, and accountability, and takes end-to-end ownership of outcomes
  • Bachelor's degree in Computer Science or a related field

Benefits

  • The position is also eligible for equity.
  • In-Office Requirement Statement: This role will need to be in the office for in-person collaboration 1-2 times per quarter and therefore needs to be in a commutable distance from one of the following offices: Palo Alto, CA or San Francisco, CA.

Company Overview

  • Pinterest is a visual bookmarking tool for saving and discovering creative ideas. It was founded in 2010, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is https://www.pinterest.com/.
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