
Opportunity at
PinterestPrincipal Engineer, Shopping & Delivery Infra
Pinterest operates a visual discovery platform where millions of global users find creative inspiration and plan projects. The company seeks a Principal Engineer for Shopping and…
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About This Role
Pinterest operates a visual discovery platform where millions of global users find creative inspiration and plan projects. The company seeks a Principal Engineer for Shopping and Delivery Infrastructure to guide technical strategy across core, advertising, and shopping search systems. This on-site position is located in San Francisco or Palo Alto, requiring occasional in-person collaboration a few times per quarter. In this high-impact role, the engineer will steer long-term architecture, modernize…
Job Description
Pinterest operates a visual discovery platform where millions of global users find creative inspiration and plan projects. The company seeks a Principal Engineer for Shopping and Delivery Infrastructure to guide technical strategy across core, advertising, and shopping search systems. This on-site position is located in San Francisco or Palo Alto, requiring occasional in-person collaboration a few times per quarter.
In this high-impact role, the engineer will steer long-term architecture, modernize indexing pipelines, and unite real-time and incremental retrieval systems to boost scale and cost efficiency. The candidate will collaborate closely with machine learning, product, and infrastructure divisions to balance relevance, safety, and operational expenses. Furthermore, the professional will mentor senior technical staff, promote strong engineering practices, and leverage AI tools to accelerate system design analysis and daily workflows while maintaining rigorous oversight on correctness and data privacy.
This position is suited for a seasoned technical leader with extensive background in large-scale search, recommendation, or ad retrieval platforms. Applicants must be comfortable navigating organizational alignment, driving complex platform modernizations, and communicating intricate technical concepts to diverse stakeholders.
Responsibilities
- Formulate and execute the long-term architectural vision for indexing and retrieval systems supporting core, ads, and shopping
- Modernize retrieval platforms by advancing unified real-time and incremental candidate generation pipelines
- Partner with engineering, product, and machine learning leaders to balance relevance, system performance, and infrastructure costs
- Guide system designs, technical reviews, and platform changes covering document ingestion, indexing, and quality evaluation
- Develop shared platform tools including standardized metrics, debugging workflows, and tuning surfaces
- Mentor senior engineers and technical staff to foster robust engineering judgment and operational standards
- Integrate AI tools to speed up prototyping, system design iteration, and technical investigations while verifying correctness
Requirements
- Extensive experience building and evolving large-scale indexing, search, recommendation, or ad retrieval systems
- Background with real-time and incremental architectures, distributed infrastructure, and relevance optimization
- Demonstrated technical leadership across multiple teams with a track record of driving complex platform decisions
- Experience leading large-scale architectural modernization, system migrations, or shared platform rollouts
- Strong systems thinking capabilities connecting platform design choices to product quality and business outcomes
- Proficiency in utilizing AI to enhance engineering productivity while critically evaluating outputs through testing and peer review
Qualifications
- Bachelor’s or Master’s degree in Computer Science, Engineering, a related technical field, or equivalent experience
Core Skills
Benefits
- Base salary range of $242,634 to $499,541 USD
- Eligibility for equity
Frequently Asked Questions
What is the location and remote policy for this role?
This is an on-site position based in commutable distance to the San Francisco or Palo Alto offices, requiring in-person collaboration 1 to 2 times per quarter.
What is the salary range for the Principal Engineer position?
The base salary range spans from $242,634 to $499,541 USD, and the position is also eligible for equity.
Is relocation assistance available?
No, this position is not eligible for relocation assistance.
What educational background is expected?
Applicants should hold a Bachelor’s or Master’s degree in Computer Science, Engineering, a related technical field, or possess equivalent experience.
Sample Interview Questions
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