Principal Engineer, Shopping & Delivery Infra

📋 Description

• Define and drive the long-term technical vision for indexing and retrieval infrastructure across
• Lead cross-org initiatives to modernize Pinterest’s indexing architecture, including advancing
• Partner closely with engineering, product, ML, and infrastructure leaders to align priorities
• Raise the technical bar for retrieval infrastructure by guiding system design, architecture
• Build shared platform capabilities such as common metrics, tuning surfaces, and debugging workflows
• Mentor senior engineers and technical leaders across teams, fostering strong engineering judgment

🎯 Requirements

• Deep expertise building and evolving large-scale indexing, search, recommendation, or ads retrieval
• Strong technical leadership experience operating across multiple teams or organizations, with a
• Proven ability to lead large modernization efforts such as architectural convergence, migration
• Exceptional systems thinking and problem-solving skills, with the ability to connect platform
• Strong communication skills, including the ability to distill complex technical topics for senior
• Demonstrated experience using AI to improve speed and quality in day-to-day engineering workflows

🎁 Benefits

• Equity
• PinFlex (flexible working model)
• In-office collaboration 1-2 times per quarter (if in commutable distance from PA or SF offices)
• Relocation assistance not available for this position