About Pinterest:
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. In your role, you’ll be challenged to take on work that upholds this mission and pushes Pinterest forward. You’ll grow as a person and leader in your field, all the while helping Pinners make their lives better in the positive corner of the internet.
Creating a life you love also means finding a career that celebrates the unique perspectives and experiences that you bring. As you read through the expectations of the position, consider how your skills and experiences may complement the responsibilities of the role. We encourage you to think through your relevant and transferable skills from prior experiences.
Our new progressive work model is called PinFlex, a term that’s uniquely Pinterest to describe our flexible approach to living and working. Visit our PinFlex landing page to learn more.
Within the Ads candidate generation team, our mission is to bridge the gap between the aspirations of Pinners and the products offered by our partners. In this role, you will spearhead the developing and executing a visionary strategy to evolve our machine learning technology stack for Candidate Generators. You'll tackle cutting-edge challenges, including managing an ever-growing corpus of billions of shopping ads, exploring model architectures beyond the traditional two-tower structure, modeling users’ long-short interests, and implementing sequential transducers for generative recommendations. Additionally, you'll leverage large language models (LLMs) to enhance our recommendation systems and optimize dynamic quota allocation. Your work will be instrumental in advancing the ML models that form the backbone of our ads retrieval and delivery processes, effectively connecting Pinners with our partners' offerings in this unique marketplace.
What you’ll do:
- Be responsible for the development of state-of-the-art applied machine learning projects for ads candidate generation models
- GPU-based ads retrieval system that extends beyond the traditional two-towers model architecture.
- Develop a unified retrieval model that leverages both organic and ad-related labels, as well as attributed conversion labels, to create a scenario-adaptive retrieval model.
- Collaborate with the team to explore opportunities for leveraging LLMs to enhance recommendation quality.
What we’re looking for:
- MS or PhD degree in Computer Science, Statistics or related field
- 6+ years of industry experience building large scale production recommendation or search systems
- 2+ years of experience leading projects/teams
- Strong mathematical skills with knowledge of statistical methods
- Cross-functional collaborator and strong communicator
- Experience in computational advertising is highly desirable, though not required
- Experience in advanced retrieval modeling is highly desirable, though not required
- Expertise in GPU model performance profiling and optimization is highly desirable, though not required
- Experience in utilizing large language models within production recommendation systems is highly desirable, though not required
This position is not eligible for relocation assistance.
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Pinterest's mission is to bring everyone the inspiration to create a life they love. It’s the biggest dataset of ideas ever assembled, with over 100 billion recipes, home hacks, style inspiration and other ideas to try. More than 250 million people around the world use Pinterest to dream about, plan and prepare for things they want to do in life.
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