Note: The job is a remote job and is open to candidates in USA. Pinterest is hiring a Principal Engineer to architect and advance the AI Platform infrastructure powering Generative AI and Recommender Systems across its products. The role sets platform technical strategy and drives cross-functional initiatives spanning data orchestration, model training, inference, and AI-powered tools.

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

• Eligible for equity.
• Remote work, with in-person collaboration in the office 1–2 times per quarter; must be within commuting distance of the Palo Alto, CA or San Francisco, CA office.

Company Overview

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