At L4 I worked as a front end developer, building sites for clients in media and healthcare. I have extensive experience with Javascript (ES6+) and React, Redux, and Sass/CSS.

My Resume: http://www.jonathankoomjian.com/resume/

Porfolio: http://www.jonathankoomjian.com/portfolio/

Some of my personal projects:

PrintWhatYouLike.com

“If you are looking for a quick and easy way to clean webpages for printing, then PrintWhatYouLike will be your printer’s best friend” - howtogeek.com

What I did:

Created an online editor which lets users format any webpage for printing.

Responsible for the concept, development, and support of the project.

Wrote many innovative features such as a way to edit webpages and apply those edits to other webpages, a way to save only a clip of a webpage, and a way to select elements of a webpage by dragging the mouse over them.

PrintWhatYouLike.com is used by thousands of people a day, and has been featured on many prominent sites such as Lifehacker] and CNET]. The companion chrome extension has 28k users with an average rating of 4.5 of 5.

PageZipper

“Beautiful non-stop scrolling without all the irritating 'Next' links!” - howtogeek.com

* Built a browser addon to merge articles split across multiple pages into one page.

* Rated "One of the 10 best Firefox Addons of 2009" by CNET. Used by more than 5,000 people a day.

Source code at: pagezipper.googlecode.com

Built an online procurement system for Amazon AWS - When I began, the project was months behind schedule, and Amazon was threatening to cancel. Through hard work and better understanding their needs, the project was completed ahead of schedule, and the client has discussed purchasing additional work from my client.

Delivered an engaging and intuitive user interface for users to browse San Francisco's public 311 data by generating interactive graphs with D3 and maps with Leaflet.js and Mapbox.

Developed the website of a startup with Python and Django