Archive

2021

• Posted by Stephane Shao, Kevin Gaan, Samantha Emanuele and Jayesh Kaushik on June 2, 2021

  Increasing experimentation accuracy and speed by using control variates

• Posted by Alaa Awad, Congzhe Su and Erica Greene on March 23, 2021

  How We Built A Context-Specific Bidding System for Etsy Ads

• Posted by Mike Adler on February 25, 2021

  How Etsy Prepared for Historic Volumes of Holiday Traffic in 2020

2020

• Posted by Lucia Yu on October 29, 2020

  Bringing Personalized Search to Etsy

• Posted by Stephanie Sharp on October 21, 2020

  Improving our design system through Dark Mode

• Posted by Nathan Thompson on August 17, 2020

  Mutation Testing: A Tale of Two Suites

• Posted by Xuan Yin on August 3, 2020

  How to Pick a Metric as the North Star for Algorithms to Optimize Business KPI? A Causal Inference Approach

• Posted by Jacob Van Order on June 23, 2020

  Chaining iOS Machine Learning, Computer Vision, and Augmented Reality to Make the Magical Real

• Posted by Seth Liber on May 6, 2020

  Keeping IT Support Human during WFH

• Posted by Emily Sommer, Mike Adler, John Perkins, Joshua Thiel, Hilary Young, Chelsea Mozen, Dany Daya and Katie Sundstrom on April 23, 2020

  Cloud Jewels: Estimating kWh in the Cloud

• Posted by Salem Hilal on April 6, 2020

  Developing in a Monorepo While Still Using Webpack

• Posted by Xuan Yin and Ercan Yildiz on February 24, 2020

  The Causal Analysis of Cannibalization in Online Products

• Posted by Jonathan Lai on February 3, 2020

  The journey to fast production asset builds with Webpack

2019

• Posted by Angelo Mellos on November 18, 2019

  G-Scout Enterprise and Cloud Security at Etsy

• Posted by Ryan Bateman on October 2, 2019

  Engineering Career Development at Etsy

• Posted by Angelo Mellos on September 25, 2019

  Apotheosis: A GCP Privilege Escalation Tool

• Posted by Aakash Sabharwal and Jingyuan Zhou on August 2, 2019

  Code as Craft: Understand the role of Style in e-commerce shopping

• Posted by Yael Kaufman on July 31, 2019

  An Introduction to Structured Data at Etsy

• Posted by Kelly Shen on March 18, 2019

  What it’s Like to Intern at Etsy? – Part I

• Posted by Rachana Kumar on February 1, 2019

  Executing a Sunset

• Posted by Mike Fisher on January 7, 2019

  Why Diversity Is Important to Etsy

2018

• Posted by Kevin McHale on November 14, 2018

  boundary-layer : Declarative Airflow Workflows

• Posted by David Schott on November 7, 2018

  Double-bucketing in A/B Testing

• Posted by Daniel Schauenberg on October 23, 2018

  Capacity planning for Etsy’s web and API clusters

• Posted by Paul-Jean Letourneau on October 10, 2018

  Etsy’s experiment with immutable documentation

• Posted by Callie McRee and Kelly Shen on October 3, 2018

  How Etsy Handles Peeking in A/B Testing

• Posted by Danielle Grenier on September 26, 2018

  How Etsy Localizes Addresses

• Posted by Nishan Subedi on July 12, 2018

  Modeling User Journeys via Semantic Embeddings

• Posted by Toria Gibbs on June 5, 2018

  Deploying to Google Kubernetes Engine

• Posted by Brad Greenlee on May 29, 2018

  The EventHorizon Saga

• Posted by Patrick Cousins on April 12, 2018

  Sealed classes opened my mind

• Posted by Jeffery Campbell on February 15, 2018

  Culture of Quality: Measuring Code Coverage at Etsy

• Posted by Mike Fisher on January 4, 2018

  Selecting a Cloud Provider

2017

• Posted by Michael MacDougall on December 11, 2017

  VIPER on iOS at Etsy

• Posted by Kevin Gessner on November 30, 2017

  How Etsy caches: hashing, Ketama, and cache smearing

• Posted by Will Gallego on May 30, 2017

  Reducing Image File Size at Etsy

• Posted by Sasha Friedenberg on May 15, 2017

  How Etsy Ships Apps

• Posted by Mohit Nayyar on May 1, 2017

  Modeling Spelling Correction for Search at Etsy

• Posted by Andy Yaco-Mink and Omar on January 31, 2017

  How Etsy Manages HTTPS and SSL Certificates for Custom Domains on Pattern

• Posted by Daniel Marks, Bill Ulammandakh and Sungwan Jo on January 25, 2017

  Optimizing Meta Descriptions, H1s and Title Tags: Lessons from Multivariate SEO Testing at Etsy

2016

• Posted by John Allspaw on November 17, 2016

  Etsy’s Debriefing Facilitation Guide for Blameless Postmortems

• Posted by Jason Shen on November 16, 2016

  How Etsy Uses Code “Slush” to Manage Development During the Holidays

• Posted by Stefanie Schirmer on November 8, 2016

  API First Transformation at Etsy – Human aspects & developer adoption

• Posted by Russ Taylor on November 4, 2016

  Building a Better Mobile Crash Analytics Platform

• Posted by Bill Ulammandakh on October 25, 2016

  SEO Title Tag Optimization at Etsy: Experimental Design and Causal Inference

• Posted by Toria Gibbs and Ian Malpass on October 19, 2016

  Being an Effective Ally to Women and Non-Binary People

• Posted by Stefanie Schirmer on September 26, 2016

  API First Transformation at Etsy – Operations

• Posted by Ken Lee and Kai Zhong on September 15, 2016

  Introducing 411: A new open source framework for handling alerting

• Posted by Stefanie Schirmer on September 6, 2016

  API First Transformation at Etsy – Concurrency

• Posted by Toria Gibbs and Ian Malpass on August 10, 2016

  Recommended Reading for Allies

• Posted by Natalya Hoota, Allison McKnight and Kristyn Reith on April 28, 2016

  Q1 2016 Site Performance Report

• Posted by Aditya Bhargava on April 19, 2016

  How Etsy Formats Currency

• Posted by Duncan Gillespie and Ben Russell on March 22, 2016

  Building a Translation Memory to Improve Machine Translation Coverage and Quality

• Posted by Ryn Daniels on February 22, 2016

  Putting the Dev in Devops: Bringing Software Engineering to Operations Infrastructure Tooling

• Posted by Kristyn Reith on February 12, 2016

  Q4 2015 Site Performance Report

• Posted by Arylee McSweaney on February 8, 2016

  Quality Matters: The Benefits of QA-Focused Retros

2015

• Posted by John Goulah on December 21, 2015

  Leveling Up Your Organization With System Reviews

• Posted by Andrew Johnson on December 16, 2015

  Introducing Arbiter: A Utility for Generating Oozie Workflows

• Posted by Adam Saponara on November 20, 2015

  Crunching Apple Pay tokens in PHP

• Posted by Mike Adler on November 10, 2015

  Q3 2015 Site Performance Report

• Posted by Andrew Johnson on September 24, 2015

  Managing Hadoop Job Submission to Multiple Clusters

• Posted by John Goulah on September 15, 2015

  Assisted Serendipity – Fostering Peer to Peer Connections in Your Organization

• Posted by Fiona Condon on August 31, 2015

  How Etsy Uses Thermodynamics to Help You Search for “Geeky”

• Posted by Giovanni Fernandez-Kincade on July 29, 2015

  Targeting Broad Queries in Search

• Posted by Kristyn Reith on July 13, 2015

  Q2 2015 Site Performance Report

• Posted by Daniel Schauenberg on July 9, 2015

  Open Source Spring Cleaning

• Posted by Andrew Johnson on May 12, 2015

  Four Months of statsd-jvm-profiler: A Retrospective

• Posted by Dan Miller on April 6, 2015

  Experimenting with HHVM at Etsy

• Posted by Kristyn Reith on March 30, 2015

  Q1 2015 Site Performance Report

• Posted by Jayson Paul on February 20, 2015

  Re-Introducing Deployinator, now as a gem!

• Posted by Bucky Schwarz on February 17, 2015

  The Art of the Dojo

• Posted by Eli Reisman on February 11, 2015

  Sahale: Visualizing Cascading Workflows at Etsy

• Posted by Allison McKnight and Natalya Hoota on February 9, 2015

  Q4 2014 Site performance report

• Posted by Russ Posluszny, Jason Huff, Jessica Harllee, Justin Donato and Diana Mounter on February 5, 2015

  Rebuilding the Foundation of Etsy’s Seller Tools

• Posted by Dan Na on February 2, 2015

  Transitioning to SCSS at Scale

• Posted by Kelly Norton and Lara Hogan on January 27, 2015

  Announcing Hound: A Lightning Fast Code Search Tool

• Posted by Andrew Johnson on January 14, 2015

  Introducing statsd-jvm-profiler: A JVM Profiler for Hadoop

2014

• Posted by Allison McKnight, Natalya Hoota and Lara Hogan on December 22, 2014

  Q3 2014 Site Performance Report

• Posted by Dan Miller on December 22, 2014

  We Invite Everyone at Etsy to Do an Engineering Rotation: Here’s why

• Posted by Lara Hogan on December 11, 2014

  Make Performance Part of Your Workflow

• Posted by Shikhar Bhushan on December 4, 2014

  Juggling Multiple Elasticsearch Instances on a Single Host

• Posted by Robert Hall on November 17, 2014

  Personalized Recommendations at Etsy

• Posted by Andrew Johnson on September 30, 2014

  Building A Better Build: Our Transition From Ant To SBT

• Posted by Mike Brittain on September 25, 2014

  Expanding Diversity Efforts with Hacker School

• Posted by Kellan Elliott-McCrea on September 10, 2014

  Come find Etsy at Velocity NY 2014

• Posted by Yash Parghi on August 20, 2014

  Teaching Testing: Our Testing 101 Materials

• Posted by Lara Hogan on August 1, 2014

  Q2 2014 Site Performance Report

• Posted by Ian Malpass on July 18, 2014

  Just Culture resources

• Posted by Lara Hogan on July 15, 2014

  Calendar Hacks

• Posted by Gabrielle Gianelli on July 7, 2014

  Threat Modeling for Marketing Campaigns

• Posted by Corey Benninger on June 24, 2014

  Device Lab Checkout – RFID Style

• Posted by Laurie Denness on June 19, 2014

  Opsweekly: Measuring on-call experience with alert classification

• Posted by jattenberg on June 18, 2014

  Conjecture: Scalable Machine Learning in Hadoop with Scalding

• Posted by Ryan Frantz on June 6, 2014

  Introducing nagios-herald

• Posted by Lara Hogan on May 15, 2014

  Q1 2014 Site Performance Report

• Posted by Diego Alonso on April 3, 2014

  Web Experimentation with New Visitors

• Posted by Kevin Gessner on March 13, 2014

  Responsive emails that really work

• Posted by Nassim Kammah on February 28, 2014

  Etsy’s Journey to Continuous Integration for Mobile Apps

• Posted by Lara Hogan on February 19, 2014

  Reducing Domain Sharding

• Posted by Lara Hogan on January 23, 2014

  December 2013 Site Performance Report

• Posted by Akiva Leffert on January 15, 2014

  Static Analysis with OCLint

• Posted by Deniz Veli on January 13, 2014

  Android Staggered Grid

2013

• Posted by Ryan Frantz on October 16, 2013

  Migrating to Chef 11

• Posted by Lara Hogan on October 14, 2013

  September 2013 Site Performance Report

• Posted by Ryan Frantz on September 28, 2013

  Nagios, Sleep Data, and You

• Posted by Jayson Paul on September 23, 2013

  LXC – Automating Containers aka Virtual Madness (Part 2)

• Posted by Jayson Paul on September 23, 2013

  LXC – Running 14,000 tests per day and beyond! (Part 1)

• Posted by Amy Dyer on September 11, 2013

  Improving Etsy for iOS with server-based logging

• Posted by Lara Hogan on August 9, 2013

  Etsy’s Device Lab

• Posted by Daniel Schauenberg on August 2, 2013

  Infrastructure upgrades with Chef

• Posted by Zane Lackey on July 16, 2013

  Reducing The Roots of Some Evil

• Posted by Lara Hogan on July 11, 2013

  June 2013 Site Performance Report

• Posted by Rasmus Lerdorf on July 1, 2013

  Atomic deploys at Etsy

• Posted by Abe Stanway on June 11, 2013

  Introducing Kale

• Posted by Mike Arpaia on June 4, 2013

  Leveraging Big Data To Create More Secure Web Applications

• Posted by Ian Malpass on May 31, 2013

  Culture Hacking With A Staff Database

• Posted by John Goulah on April 23, 2013

  At Percona MySQL Conference This Week

• Posted by Lara Hogan on April 9, 2013

  March 2013 Site Performance Report

• Posted by John Allspaw on April 1, 2013

  Re-Exploring New Technologies: The Turbo Encabulator

• Posted by John Marc Imbrescia on March 26, 2013

  There and Back Again: Migrating Geolocation Data to GeoNames

• Posted by Keyur Govande on March 19, 2013

  Data Corruption To Go: The Perils Of sql_mode = NULL

• Posted by Avleen Vig on March 18, 2013

  Java: Not Even Once

• Posted by Jeff Kolber on January 11, 2013

  Schemanator: Love Child of Deployinator and Schema Changes

2012

• Posted by Marcus Barczak on December 13, 2012

  mctop – a tool for analyzing memcache get traffic

• Posted by Lara Hogan on November 29, 2012

  Measuring Front-end Performance With Real Users

• Posted by Lara Hogan on November 9, 2012

  October 2012 Site Performance Report

• Posted by Zane Lackey on October 9, 2012

  Scaling User Security

• Posted by Zane Lackey on September 11, 2012

  Announcing the Etsy Security Bug Bounty Program

• Posted by Marc Hedlund on September 10, 2012

  The Engineer Exchange Program

• Posted by Laurie Denness on August 31, 2012

  What Hardware Powers Etsy.com?

• Posted by John Allspaw on August 23, 2012

  Posting PostMortems for a (generally) Non-Technical Audience

• Posted by Avleen Vig on August 13, 2012

  Performance tuning syslog-ng

• Posted by Nick Galbreath on August 10, 2012

  Static Analysis for PHP

• Posted by Arie Kachler on August 7, 2012

  No more locks with Xtrabackup

• Posted by Nick Galbreath on July 19, 2012

  Better Random Numbers in PHP using /dev/urandom

• Posted by Seth Walker on July 12, 2012

  June 2012 Site Performance Report

• Posted by John Goulah on June 28, 2012

  Is It A Bird? Is It A Plane? No, It’s Supergrep!

• Posted by Peter Seibel on June 21, 2012

  Building websites with science

• Posted by Jason Davis on June 15, 2012

  Intrinsically Motivated Full Stack Product Hacker

• Posted by jcarrafa on June 1, 2012

  Navigating Etsy Support

• Posted by Nick Galbreath on May 24, 2012

  Robots, Graphs, and Binary Search

• Posted by John Allspaw on May 22, 2012

  Blameless PostMortems and a Just Culture

• Posted by Arie Kachler on April 20, 2012

  Two Sides For Salvation

• Posted by Kellan Elliott-McCrea on April 5, 2012

  Etsy Hacker Grants: Supporting Women in Technology

• Posted by Avleen Vig on March 30, 2012

  Kernel Debugging 101

• Posted by John Goulah on March 16, 2012

  Come have drinks with Etsy and Basho

• Posted by John Goulah on March 13, 2012

  Making it Virtually Easy to Deploy on Day One

• Posted by Laura Beth Denker on March 12, 2012

  Scaling CI at Etsy: Divide and Concur, Revisited

• Posted by Kellan Elliott-McCrea on March 7, 2012

  Going to SxSW? Checkout All Girl* Dev Brunch 2012

• Posted by Nick Galbreath on March 4, 2012

  Google Safe Browsing without The Browser

• Posted by Chad Dickerson on February 13, 2012

  The Etsy Way

• Posted by Kellan Elliott-McCrea on February 1, 2012

  Upcoming, Etsy Engineering Near You

• Posted by Kellan Elliott-McCrea on February 1, 2012

  Code as Craft Speaker Series: Rasmus Lerdorf, this Thursday

• Posted by David Giffin on January 23, 2012

  Turbocharging Solr Index Replication with BitTorrent

• Posted by Andrew Morrisson on January 4, 2012

  The Product Hacking Ecosystem

2011

• Posted by Diego Alonso on December 5, 2011

  Translation Memory

• Posted by David Bernal and Lacy Rhoades on December 2, 2011

  Multilingual User Generated Content and SEO

• Posted by John Goulah on December 2, 2011

  Moving from SVN to Git in 1,000 easy steps!

• Posted by John Goulah on November 30, 2011

  Etsy at LISA Conference

• Posted by Jason Davis on November 9, 2011

  Engineering Social Commerce

• Posted by Aaron Beppu on November 7, 2011

  Etsy at Hadoop World

• Posted by Laura Beth Denker on November 4, 2011

  Grace Hopper Celebration of Women in Computing 2011

• Posted by Eric Bogs on October 21, 2011

  Localizing Logically for a Global Marketplace

• Posted by Corey Losenegger on October 19, 2011

  Teaching Etsy to Speak a Second Language

• Posted by John Goulah on October 13, 2011

  Removing Barriers to Going Fast

• Posted by Laura Beth Denker on October 11, 2011

  Did you ‘try’ it before you committed?

• Posted by Eric Bogs on October 8, 2011

  Internationalizing Etsy: Fostering a Global Marketplace

• Posted by Kellan Elliott-McCrea on September 28, 2011

  Scaling Etsy: What Went Wrong, What Went Right

• Posted by stunji on August 15, 2011

  Etsy at Photo Hack Day!

• Posted by Chad Dickerson on July 31, 2011

  Passing the engineering torch

• Posted by stunji on July 26, 2011

  Hacking Hardware with Etsy

• Posted by Kellan Elliott-McCrea on July 25, 2011

  We are at OSCON!

• Posted by Steve Mardenfeld on July 8, 2011

  Shop Centricity – A Case Study

• Posted by Marcus Barczak on June 21, 2011

  Object Oriented CSS with Nicole Sullivan: Thursday June 23

• Posted by Chad Dickerson on June 6, 2011

  Optimizing for developer happiness

• Posted by Kellan Elliott-McCrea on June 1, 2011

  Pushing: Facebook, Flickr, Etsy

• Posted by Noah Sussman on April 20, 2011

  Divide and Concur

• Posted by Kellan Elliott-McCrea on April 1, 2011

  Upcoming Etsy Engineering Talks

• Posted by Chad Dickerson on March 31, 2011

  Live stream of “Moving Fast at Scale”

• Posted by Chad Dickerson on March 23, 2011

  Douglas Crockford at Etsy Speaker Series, April 27

• Posted by Chad Dickerson on March 19, 2011

  Moving Fast at Scale: the slides, and a reprise in NYC

• Posted by Chad Dickerson on March 1, 2011

  Moving Fast at Scale: a microconference at SXSW

• Posted by Ian Malpass on February 15, 2011

  Measure Anything, Measure Everything

• Posted by Chad Dickerson on February 4, 2011

  How does Etsy manage development and operations?

• Posted by Jason Davis on January 25, 2011

  Mining Facebook for Gifts on Etsy

• Posted by John Goulah on January 10, 2011

  Introducing Getsy, A Secure Command Line Interface to the Etsy API

2010

• Posted by Mike Brittain on December 8, 2010

  Tracking Every Release

• Posted by stunji on November 16, 2010

  Etsy Handmade Code Contest Winners

• Posted by Liz Wald on October 29, 2010

  Handmade Code Contest Update–Finalists have been selected!

• Posted by Randy Hunt on October 21, 2010

  You Can’t Fake Real

• Posted by Noah Sussman on October 5, 2010

  Sebastian Bergmann (author of PHPUnit) at Etsy on October 7

• Posted by Liz Wald on September 21, 2010

  Etsy API Handmade Code Contest: Update #2 – Judging is happening!

• Posted by John Allspaw on September 17, 2010

  Frank Talk About Site Outages

• Posted by Chad Dickerson on July 16, 2010

  Kellan Elliott-McCrea joins the Etsy team

• Posted by Mike Brittain on July 9, 2010

  Batch Processing Millions and Millions of Images

• Posted by Dan McKinley on July 9, 2010

  Etsy is Hiring

• Posted by John Allspaw on July 3, 2010

  MongoDB at Etsy, Part 2

• Posted by Chad Dickerson on June 8, 2010

  Fred Brooks (author of Mythical Man-Month) at Etsy on June 14

• Posted by Chad Dickerson on June 1, 2010

  Join us for Etsy SF cocktails and crafting (June 10)

• Posted by Erik Kastner on May 20, 2010

  Quantum of Deployment

• Posted by Dan McKinley on May 19, 2010

  MongoDB at Etsy

• Posted by stunji on April 22, 2010

  Announcing Etsy’s New API

• Posted by Jason Davis on February 24, 2010

  Analyzing Etsy’s data with Hadoop and Cascading

• Posted by Chad Dickerson on February 17, 2010

  Dev / ops cooperation

• Posted by Chad Dickerson on February 10, 2010

  Code as craft