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About the Role
As a Principal Engineer on the AI Platform team, you will help architect the infrastructure that powers Generative AI and Recommender Systems across Pinterest's product suite. Our team builds the end-to-end engines for petabyte-scale data orchestration, model training and fine-tuning, and high-performance inference, ensuring our models scale seamlessly to hundreds of millions of inferences per second for over 600 million monthly active users.
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) and Recommender Systems (feature stores, training infra, and large-scale high performance inference).
- Develop 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.
- Provide candid, constructive feedback that accelerates individual and team growth.
Requirements
- 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.
- 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.
- Takes end-to-end ownership of outcomes.
- US based applicants only.
Skills
- Proficiency in at least one of C++, Java, or Rust.
Location
- Palo Alto, CA
- San Francisco, CA
Work Type
- Hybrid
Experience Level
- Principal
Education Level
- Bachelor's degree in Computer Science or a related field.
Salary/Compensations
- $242,634—$499,541 USD
Benefits
- Equity
About the Company
- Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime.
- At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product.
- Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work.
- At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that.
- Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think.
- Millions of people across the world come to Pinterest to find new ideas every day. It’s where they get inspiration, dream about new possibilities and plan for what matters most.
- Our mission is to help those people find their inspiration and create a life they love.
- As a Pinterest employee, you’ll be challenged to take on work that upholds this mission and pushes Pinterest forward.
Equal Opportunity
- Pinterest is an equal opportunity employer and makes employment decisions on the basis of merit.
- We want to have the best qualified people in every job.
- All qualified applicants will receive consideration for employment without regard to race, color, ancestry, national origin, religion or religious creed, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, age, marital status, status as a protected veteran, physical or mental disability, medical condition, genetic information or characteristics (or those of a family member) or any other consideration made unlawful by applicable federal, state or local laws.
- We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.
- If you require a medical or religious accommodation during the job application process, please complete this form for support.