Groupon is proud to be a part of the new Node.js Foundation

at June 16th, 2015

We are very excited to see that the Node.js and io.js developer communities have come together, combining their code bases to continue their work within the Node.js Foundation (hosted by the Linux Foundation). Groupon is proud to be among its supporting members. With the creation of a foundation backing Node.js we can ensure that this… Read More



Shopping Cart – let the bundling begin!

at March 13th, 2014

Groupon recently spent a year building a shopping cart feature for the website. This feature was first a/b tested on Groupon’s web platform to determine whether users would benefit from its functionality. After starting at 1% and scaling the a/b test to 100%, it was clear in the first month of full functionality that the… Read More


Geekon: I-Tier

at October 7th, 2013

Today is exciting: we’ve completed a year-long project to move Groupon’s web traffic from our legacy Ruby on Rails application to Node.js. We’ve been working hard on this transition and have learned a lot along the way. Groupon will be one of the largest production deploys of Node.js worldwide. We’re currently serving ~50,000rpm and our… Read More


The History of the Chicago Node.js User Group

at April 24th, 2012

The Chicago Node.js User Group has been thriving recently. So, I wanted to talk about this growing group and how it fits in with Groupon. Starting Out In early 2011, Caleb Cornman and I were investigating this interesting system called Node.js. Caleb launched the Meetup.com group in March, hosted at the Hashrocket office. We had… Read More