Lead Engineer
2015 - PRESENTAttend.com- Focused on front-end architecture and building a strong engineering team.
Technologies: AngularJS, Apache, Ruby on Rails (RoR)Senior Software Engineer
2012 - 2015Etsy- Wrote public-facing site performance reports on Etsy’s “Code as Craft” blog, communicating quarterly load time metrics for etsy.com.
- Deployed and managed a custom WebPagetest instance on Amazon EC2 cloud servers, which was used to monitor site performance.
- Open-sourced wpt-script, a WebPagetest client that makes it easy to automatically run tests and gather data from WebPagetest.
- Open-sourced Hound, a code search tool which became Etsy’s third most popular open source project within one month of launch.
- Conducted performance audits across Etsy.com and built tooling to make regressions easier to identify and fix.
Technologies: MySQL, React, JavaScript, Git, Chef, PHPSenior Software Engineer
2008 - 2012Wayfair- Received 2009 “Founder’s Award for Innovation,” given to one employee each year hand-picked by the company founders out of 500+ candidates for outstanding contributions to the business.
- Promoted three times in less than four years, which was dramatically faster than peers.
- Led a team of five internal engineers and four remote contractors to rewrite Wayfair.com's code base using PHP, incorporating site design and brand overhaul.
- Trained and led a four-person CSS team during a redesign of all 200+ CSN Stores websites in 2009, establishing company-wide coding conventions and best practices.
- Built new features for the customer-facing websites as well as back-end tools to make it easier for our marketing team to make data changes.
Technologies: SQL, JavaScript, CSS, ASP, Subversion (SVN), PHP
Jonathan Klein
Software Developer in Boston, MA, United States
Member since May 22, 2015
Jonathan is a Lead Engineer at Attend.com, where he focuses on solving both front-end and back-end issues. He started the Boston Web Performance Meetup Group, and he contributes to a few open source projects, including the HTTPArchive, WebPagetest, and CSSLint. He is also the co-creator of Hound and wpt-script, two open source projects built at Etsy.
Jonathan is now available for hire
Portfolio
- Attend.comAngularJS, Apache, Ruby on Rails (RoR)
- EtsyMySQL, React, JavaScript, Git, Chef, PHP
- WayfairSQL, JavaScript, CSS, ASP, Subversion (SVN), PHP
Availability
Part-time
Preferred Environment
Sublime Text 3, Vagrant, GitHub
The most amazing...
...tool I've open sourced is Hound, a code search tool built at Etsy.
Employment
Experience
- Houndhttps://github.com/etsy/Hound
A code search tool that I built with another engineer during my time at Etsy.
Skills
Languages
PHP, HTML, CSS, JavaScript, SQL, PythonFrameworks
Ruby on Rails (RoR), Laravel, ASP, AngularJSStorage
Memcached, PostgreSQL, MySQLOther
Front-end Development, Software DevelopmentLibraries/APIs
Node.js, jQuery, ReactTools
Subversion (SVN), Sublime Text 3, Packer, Vagrant, Chef, Git, Apache, GitHubParadigms
Agile Software DevelopmentPlatforms
Amazon EC2
Education
- Bachelor of Science Degree in Astronomy and Physics2004 - 2008Haverford College - Haverford, PA
