12 posts
Bridging the Gap: Diagnosing Online–Offline Discrepancy in Pinterest’s L1 Conversion Models -- Listen Share Authors: Yao Cheng | Senior Machine Learning Engineer; Qingmengting Wang | Machine Learning Engineer II; Yuanlu Bai | Machine Learning Engineer II; Yuan Wang | Machine Lea…
Piqama: Pinterest Quota Management Ecosystem -- Listen Share Authors: Junkai Xue | Sr Staff Software Engineer, Big Data Processing Platform; Zheyu Zha | Staff Software Engineer, Big Data Processing Platform; Jia Zhan | Principal Engineer, Online Systems; Alberto Ordonez Pereira…
Drastically Reducing Out-of-Memory Errors in Apache Spark at Pinterest -- Listen Share Felix Loesing | Software Engineer In 2025, we set out to drastically reduce out-of-memory errors (OOMs) and cut resource usage in our Spark applications by automatically identifying tasks with…
GPU-Serving Two-Tower Models for Lightweight Ads Engagement Prediction -- Listen Share Yuanlu Bai | Machine Learning Engineer II, L1 Conversion and Shopping Modeling; Yao Cheng | Sr. Machine Learning Engineer, L1 Conversion and Shopping Modeling; Xiao Yang | Sr. Staff Machine Le…
Next Generation DB Ingestion at Pinterest -- 1 Listen Share Liang Mou | Staff Software Engineer, Logging PlatformYisheng Zhou | Software Engineer II, Logging PlatformElizabeth (Vi) Nguyen | Software Engineer I, Logging PlatformOwen Zhang | Senior Software Engineer, Logging Platf…
Beyond Two Towers: Re-architecting the Serving Stack for Next-Gen Ads Lightweight Ranking Models (Part 1) -- 4 Listen Share Authors: Xiao Yang | Senior Staff Machine Learning Engineer; Ang Xu | Principal Machine Learning Engineer; Yao Cheng | Senior Machine Learning Engineer; Yu…
Ads Candidate Generation using Behavioral Sequence Modeling -- 3 Listen Share Lakshmi Manoharan | Senior Machine Learning Engineer, Ads Vertical Modeling; Karthik Jayasurya | Staff Machine Learning Engineer, Ads Signals ; Ziwei Guo | Senior Machine Learning Engineer, Ads Vertica…
PinLanding: Turn Billions of Products into Instant Shopping Collections with Multimodal AI -- Listen Share Faye Zhang, Staff Software Engineer; Jasmine Wan, Machine Learning Engineer I; Qianyu Cheng, Machine Learning Engineer II; Matthew Hichar, Machine Learning Engineer II; Eri…
LLM-Powered Relevance Assessment for Pinterest Search -- 2 Listen Share Han Wang | Machine Learning Engineer; Alex Whitworth | Staff Data Scientist; Pak Ming Cheung | Sr. Staff Machine Learning Engineer; Zhenjie Zhang | Sr. Staff Machine Learning Engineer Introduction Search rel…
How Pinterest Built a Real‑Time Radar for Violative Content using AI -- 2 Listen Share Faisal Farooq | Sr. Director Trust Engineering; Aravindh Manickavasagam | Staff Technical Program Manager; Attila Dobi | Sr. Staff Data Scientist People come to Pinterest to find ideas they fe…
Improving Quality of Recommended Content through Pinner Surveys -- 1 Listen Share Rudraksh Kapil | Machine Learning Engineer I; Michal Giemza | Senior Machine Learning Engineer; Devan Srinivasan | Machine Learning Engineering Intern; Leif Sigerson | Senior Data Scientist; Stepha…
On the (re)-prioritization of open-source AI -- 2 Listen Share Dmitry Kislyuk | Director, Machine Learning; Ryan Galgon | Director, Product Management; Chuck Rosenberg | Vice President, Engineering; Matt Madrigal | Chief Technology Officer Foreword from Bill Ready, CEO The AI la…