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Scalable A/B experiments at Pinterest
We have hundreds of A/B experiments running at anytime, as we launch new products and improve the quality of the user experience. To power these experiments and make timely and data-driven decisions,...
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Hadoop statistics collection and applications
The massive volume of discovery data that powers Pinterest and enables people to save Pins, create boards and follow other users, is generated through daily Hadoop jobs. Managed by Pinball, these jobs...
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Meet a Pinterest engineer: Tilde Pier
As part of an ongoing series, engineers will share a bit of what life is like at Pinterest. Here, engineer Tilde Pier talks about pivoting her career, internationalizing Pinterest’s front-end, and her...
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Building a smarter home feed
The home feed should be a reflection of what each user cares about. Content is sourced from inputs such as people and boards the user follows, interests, and recommendations. To ensure we maintain...
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Discover Pinterest: Data Driven Growth
As part of the Discover Pinterest series, engineers from across disciplines share insights at tech talks and meetups at our San Francisco headquarters. Here, Pinterest growth engineer John Egan shares...
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Behind the Pins: Building Analytics
As the community of Pinners grows, so does the number of businesses on Pinterest. Earlier this week, we revamped our analytics tool to help businesses better understand their audiences and how their...
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Q&A with 2014 Summer Pinterns: Lucas and Nicole
As part of the Q&A with Pinterns series, Pinterest interns share their experiences working on projects and features with our engineers. Here, 2014 Summer Pinterns Lucas and Nicole talk about what...
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Meet Pinterest Engineers: Grace Hopper speakers
As part of our ongoing series, engineers share insights into life at Pinterest. Here, Andrea Burbank, Tracy Chou, Sahana Rajasekar, and Kelsey Stemmler discuss their participation in the annual Grace...
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Lessons in growth and increasing signups
On the Growth team at Pinterest, we’re constantly brainstorming ways to attract new users. Over the past year we ran a series of A/B experiments which resulted in a significant increase in daily...
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Extra! Extra! How we built Pinterest News
This past summer we launched News, a digest of recent activity of the people you follow. News was built by the Growth team in just two months, and delivered a significant impact in engagement as it...
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Meet a Pinterest engineer: Rob Claire
As part of an ongoing series, engineers will share a bit of what life is like at Pinterest. Here, engineer Rob Claire talks about pivoting his career, data visualizations and children’s birthday...
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Grace Hopper Celebration: Bridging the gap between women and engineering
Our vision is to help people live inspired lives. As engineer Tracy Chou wrote in her post about our employee demographics, “we only stand to improve the quality and impact of our products if the...
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Beat hackers at their own game: Part 1
This post also appeared on Medium.Passwords are the greatest gift we ever gave to the hacker community. An elegant combination of human nature and poor dev choices brings Christmas in July for hackers....
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Beat hackers at their own game: Part 2
This post also appeared on Medium.Most people are surprisingly uneducated on how to store passwords. Let’s do some engineering. What are the requirements for a good password storage system? I propose...
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Building Pinalytics: Pinterest’s data analytics engine
Pinterest is a data-driven company. On the Data Engineering team, we’re always considering how we can deliver data in a meaningful way to the rest of the company. To help employees analyze information...
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Building a scalable and available home feed
We pride ourselves on being a company focused first and foremost on the user experience. In order to deliver a great experience, including showing related content in the home feed, we’re building a...
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How we built new bulk editing tools
With the number of Pins in the system growing to well over 30 billion, it’s no wonder a top requested feature had been the ability to move a large number of Pins to another board and better manage...
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Building a platform to understand search queries
Millions of people use Pinterest as a visual discovery tool each day. Search is one of the primary tools that drives discovery on the site and across our apps. In order to help Pinners find what...
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The future of machine learning at Pinterest
One of the key ways we provide relevant and scalable solutions is through building distributed systems using machine learning. To accelerate our work in discovery and monetization, today we’re...
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Demystifying SEO with experiments
Search engine optimization (SEO) has been one of the biggest drivers of growth for Pinterest. However, it wasn’t always easy to find winning strategies at our scale. Traditionally, SEO tactics include...
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