Pinterest Engineering

New on the Blog: For large-scale ML systems, moving less data can be just as important as computing faster. This post shares how we reduce unnecessary feature-transfer overhead to improve network efficiency in production. Read more: medium.com/pinterest-engi…

From Determinantal Point Processes to sliding spectrum decomposition, here's how our team evolved multi-objective optimization at Pinterest to balance what people engage with and what keeps the experience inspiring. medium.com/pinterest-engi…

This automatically measures User Perceived Latency on over 60 surfaces, saving two engineer-weeks per feature and encouraging platform-wide performance optimization. Learn more: medium.com/pinterest-engi…

At Pinterest, we solved the expensive, manual setup of Android performance metrics by integrating Visually Complete logic into the BaseSurface class. Our "All-In-One Solution" story 🧵👇

Read more how we did it here: medium.com/pinterest-engi…

At Pinterest, we built a full MCP ecosystem — complete with a central registry, domain-specific servers & integrations across IDEs, chat & AI agents. We’re driving more than 66K monthly invocations & saving 7K engineering hours each month, all with security embedded from day one.

Pinterest moved to native CSS carousels to replace legacy JS platform-wide → goo.gle/4cZR6Pk Using CSS primitives like scroll markers and snap, they achieved: 📉 90% code reduction (2k JS → 200 CSS) 🚀 15% faster page loads ✨ Smoother, interactive UI

Apprentice Engineer applications are now open! Explore the program and apply now at bit.ly/3NApQwu.

Read the full post on the blog: medium.com/pinterest-engi…

Text-to-SQL sounds simple until your warehouse has 100,000+ tables. At Pinterest, we built an analytics agent that goes beyond keyword matching by learning from analyst behavior, understanding intent, and incorporating signals like freshness and table quality.

New Blog 📌 Our engineers share how they unified two previously separate engagement models into a single architecture while preserving surface-specific nuance and improving efficiency at scale. Learn more: medium.com/pinterest-engi…

A new year brings new cohorts for our Apprenticeship Program. Sign up to be the first to know when applications go live in 2026. ➡️ pinterestcareers.com/join-apprentic… More information on the Apprenticeship Program: pinterestcareers.com/early-career/a…

Introducing PinLanding, a production‑oriented pipeline for shopping collection generation at web scale. Multimodal AI, CLIP‑style models, LLM‑as‑judge, Ray, Spark, ANN search… all in one production system. Deep dive: medium.com/pinterest-engi…

Our new blog details how user surveys power a visual quality signal in our recommender systems, helping people find content that truly inspires them. Learn more: medium.com/pinterest-engi…

How did the team reduce Android testing build times by more than 36%? Introducing PinTestLab, our in-house Android E2E testing solution. Learn more: medium.com/pinterest-engi…

Today's the day! Don't miss out on our 6th ML Day Conference.

Our Pinterest Machine Learning Day Conference is one week away 🚨 Register now to join us on Nov 6 and discover what it’s like to build a platform for more than 570 million monthly active users. events.ringcentral.com/events/pintere…

From inspiration to realization, learn how our team moved beyond understanding interests to comprehending long-term goals of Pinterest users by introducing user journeys as the foundation for recommendations. medium.com/pinterest-engi…

New Pinterest Engineering Blog 🔥 Learn more about the team's debugging process when running into performance drops during an ML training platform upgrade. @Pinterest_Engineering/tracking-down-mysterious-ml-training-stalls-5290bb19be6d" target="_blank" rel="nofollow noopener">medium.com/@Pinterest_Eng…

Registrations are now open for our 6th Annual Machine Learning Day Conference. Join us on Nov 6 to explore machine learning and AI at Pinterest. More details ➡️ events.ringcentral.com/events/pintere…