Ezekiel Chentnik
[email protected]

Portfolio
:
ezekielchentnik.com Principal JavaScript Developer, UX Designer, & Design Technologist Expertise:
Customer focused innovation, code quality & craftsmanship, magnificent designs & functionality. Publications ● “
Mastering Backbone.js” & “Rapid Grunt.js”
video series,
Technical reviewer ● “
Backbone.js Patterns and Best Practices”
(Amazon rating 4 out of 5 stars),
Technical reviewer ● Technical reviewer for “
Instant Zepto.js
” "If only I could clone Zeek!"
Jim C. VP of Digital Strategy Principal FrontEnd Developer * JavaScript
Northwestern Mutual – Milwaukee, WI (Current) ● Handson frontend/JavaScript expertise & leadership for NM Connect ● Principal JavaScript developer on high profile financial applications, Backbone.js, Requirejs Senior JavaScript Engineer
Booking.com (Priceline Group) – Amsterdam, Netherlands (2014) ● Datadriven product development focused on ROI, scalability, and customer focused innovation ● High velocity JavaScript development & UX Design (Maps & Geo Data Team) ● Large scale A/B & multivariate testing, Large scale web development & UX design ● Booking.com B.V., part of
the Priceline Group
(Nasdaq: PCLN), owns and operates Booking.com™. Each day, over 700,000 room nights are reserved on Booking.com. Booking.com is one of the world's largest ecommerce website (sharing the ranks of
Amazon.com, eBay.com, and Alibaba.com
), employing over 100 nationalities. Team Lead, Senior JavaScript Engineer
Journal Communications (2013 – 2014) ● Team Lead cross functional team, 10+ software engineers (Backend, Frontend, UX Design) ● Onboarding, mentoring, and training new tech division ● Multiple high profile projects: SPAs, mobile web apps, responsive web design ● Favorite App Demo & Presentation: Mobile Web App with native UX (SPA, Backbone.js, Phonegap, Geo data, Restful API, Zepto.js, CSS3/HTML5) Links:
Demo
,
Presentation Lead Frontend Engineer, Team Mentor, SCRUM Master (China)
Journal Communications (2012 – 2013) ● Architecture and development for large scale site portfolio (80+) ● Multiple high profile projects:
single page applications, mobile web apps, MVC framework, paywall system, data interactives, map interactives, restful APIs, responsive & mobile first design, video & streaming (BrightCove, vzaar) Mobile Developer, Frontend Developer, Team Lead
JRN (2010 – 2012) ● Architected multimedia gallery increasing monthly organic media traffic by 1,037% (total 4 million) ● Implemented mobile web app increasing monthly mobile traffic by 1,025% (total 2 million) ● Designed video widget increasing monthly multimedia traffic by 1,000% (total 2 million) ● Blog system (converted 100+ blogs to system), forums, photo galleries, content ratings, user submitted content, events, classifieds (integrating various data APIs), analytics, ad delivery system Page 1 of 2 Frontend Developer, UX Designer
Milwaukee Journal Sentinel (2007 – 2010) ● Web development for hundreds of enterprise level (high traffic) sites across multiple diverse nationwide media markets. ● Department velocity increase by 435% in 2007 /*=============================*/ Primary Languages:
JavaScript, CSS3, HTML5 Libraries & technologies:
JavaScript, Vanilla JavaScript, Node.js, MV*, Backbone.js, Marionette.js, Angular.js, Leaflet Maps, Google Maps, Ember.js, Lodash.js, Underscore.js, Browserify, Webpack, Require.js, grunt.js, gulp.js, AJAX/JSON/JSONP/RPC/CORs/Restful APIs, React, dust.js, Handlebars, knockout.js, express.js, Polymer, Jasmine, Phonegap, NPM, Bower, CSS3, SASS, LESS, Bootstrap, Foundation, Purecss, Ionic, Topcoat, jQuery mobile, HTML5, C#, ASP.Net, SQL, PHP, MySQL, a magnitude of other micro libraries, modules, and packages “
Understanding a language is easy, understanding how to best apply your knowledge of the language is the challenge...” Contract projects, Github, Hackathons: ● Full Stack JavaScript development (Node.js, Grunt.js, Node Jitsu, Dust.js, Kraken.js, Express.js, Passport.js, Mongoose, MongoDB, Responsive Design, UX Design, SASS, Webpack, Browserify), ● Micro Client Side MV* framework, nanocss.com, MapStatic.js, TriangleNav.js, Bowman Design ● UX consulting ● multiple financial and content control panels
(SPA, bootstrap, ember.js, backbone.js, angular.js) Hackathon Projects: ● financial mapping tool, SPA funded ● airbnb.com style geo search & map ● Modular JavaScript A/B testing system ● Mobile SPA weather ● Amazon triangle algorithm Education/Awards: ● UWM BBA Management Information Systems ● The Art of Influence – Amsterdam, NL ● SEO & Web Analytics Training – Omniture ● CMS Engineer – Clickability, San Francisco ● Journal Interactive INSPY (Inspirational Performance award) ● Best overall local news site in America livinglakecountry.com ● EPPY for Best weekly newspaper website (26 sites) ● Best Local Mobile Web APP (2013) Page 2 of 2