How we switched our template rendering engine to React

Jessica Chan | Pinterest engineer, Core Experience

In 2015, we made the decision to migrate our legacy web experience to React to keep up with our fast growth and perform better with increased developer…

Building Pinterest’s A/B testing platform

Shuo Xiang | Pinterest engineer, Data

As a data-driven company, we rely heavily on experiments to guide products and features. At any given time, we have around 1,000 experiments running, and we’re adding more every day. Because…

Open-sourcing Rocksplicator, a real-time RocksDB data replicator

Bo Liu | Pinterest engineer, Infrastructure

Pinterest’s stateful online systems process tens of petabytes of data every day. As we build products and scale billions of Pins to 150 million…

Re-architecting Pinterest's iOS app

Re-architecting Pinterest’s iOS app

Building native video Pins

Bin Liu | Pinterest engineer, Product

Billions of videos are viewed across the internet every day, but video on Pinterest is unique. On Pinterest, you’ve always been able to save videos from around the web, and in 2013, we made it possible to play them…

Open-sourcing Knox, a secret key management service

Devin Lundberg | Pinterest engineer, Infrastructure

Pinterest requires many internal secrets for everyday operation such as login credentials for third party integration and cryptographic keys for protecting user…

How we increased active Pinners with one simple trick

John Egan | Pinterest engineer, Growth

For many areas of growth, presenting your message with the right hook to pique a user’s interest and to get them to engage is critical. Copy is especially important in…

Lessons in growth engineering: How we doubled sign ups from Pin landing pages

Jeff Chang | Pinterest engineer, Growth

A popular topic within growth hacking circles is improving conversion rates on landing pages. Everyone has seen those “10 tips to…