
π Staff Machine Learning Engineer, Ads Retrieval
π Location: San Francisco | Palo Alto | Seattle
π Job Type: Regular | Full-time
About Pinterest
Millions of people use Pinterest daily to discover new ideas and inspiration. Our mission is to help them create a life they love by connecting them with relevant content, including Shopping Ads. At Pinterest, you’ll have the opportunity to work on groundbreaking innovations while making a real impact on our users and advertisers.
Role Overview
Join our Ads Retrieval Team and play a key role in shaping the future of our global Shopping Ads platform. As a Staff Machine Learning Engineer, youβll lead the development of cutting-edge retrieval models and scalable infrastructure. Youβll work on areas like Generative Retrieval, User Sequence Modeling, Learning to Rank, and large-scale Approximate Nearest Neighbor (ANN) techniques, all while managing a 5B+ shopping ads index.
What Youβll Do
β Develop Next-Gen Retrieval Models
- Design and implement advanced retrieval architectures, improving ad relevance and ranking.
- Pioneer Generative Retrieval, User Sequence Modeling, and Learning-to-Rank models to enhance discovery.
β Optimize Scalable Retrieval Infrastructure
- Build and refine high-performance retrieval systems for handling large-scale datasets.
- Implement efficient ANN algorithms, GPU-accelerated systems, and embedding quantization for fast and cost-effective retrieval.
β Advance Personalized Shopping Ads
- Leverage user sequence modeling to tailor shopping recommendations.
- Apply deep learning techniques to improve ad relevance and engagement.
β Collaborate Cross-Functionally
- Work with Product, Data Science, and Engineering teams to enhance ad performance.
- Drive innovation across the entire Shopping Ads ecosystem.
What Weβre Looking For
π Education & Experience
- MS or PhD in Computer Science, Statistics, or a related field.
- 6+ years of experience in building large-scale recommendation or search systems.
π‘ Technical Expertise
- Strong foundation in Machine Learning & Information Retrieval.
- Expertise in retrieval algorithms (Generative Retrieval, User Sequence Modeling, Learning-to-Rank, ANN techniques).
- Deep knowledge of deep learning optimization for retrieval tasks.
- Experience scaling GPU-based systems for high-throughput retrieval.
- Proficiency in large-scale retrieval efficiency techniques (ANN, embedding quantization, etc.).
π€ Collaboration & Leadership
- Ability to lead technical projects and mentor junior engineers.
- Excellent communication skills to drive consensus across teams.
Bonus Points
β¨ Hands-on experience with Shopping Ads and computational advertising.
β¨ Proven track record in optimizing retrieval infrastructure at scale.
β¨ Familiarity with Large Language Models (LLMs) and token-based retrieval.
Work Location & Flexibility
π Hybrid Role β In-office collaboration required once per month at one of our offices: San Francisco, Palo Alto, or Seattle.
π¦ Relocation assistance is not available for this role.
Compensation & Benefits
π° Salary Range: $208,145β$364,254 USD (based on location & experience).
π Equity options available.
π Inclusive & diverse workplace with strong growth opportunities.
Join Us!
At Pinterest, we celebrate diversity and innovation. If you’re excited about working on cutting-edge Machine Learning for Ads Retrieval, weβd love to hear from you! Apply now and help shape the future of Pinterest Shopping Ads. π
π Apply Today!