Languages
ECMAScript (ES6), SCSS, HTML5, Sass, HTML, CSS, CoffeeScript, JavaScript, CSS3, Less, XHTML, HTML/CSS, ES8, Pug (formerly Jade), XML, SQL, Clojure, Python, Elm, PHP, Ruby, IronPython
Frameworks
Bootstrap, Jinja, ZURB Foundation, Redux, Express.js, Bootstrap 3, Delorean.js, Underscore.String, Flux, Foundation CSS, Materialize CSS, Chrome, Selenium, Hapi.js, Jest, Jasmine, Knockout.js, Prototype, Django, Re-frame, Ampersand.js, Ember.js, ClojureScript
Libraries/APIs
React.js, React-Router, Lodash, jQuery, Backbone.js, Backbone.Marionette, Immutable.js, Marionette.js, Moment.js, Underscore.js, Handlebars, Mustache, YUI, Socket.IO, RequireJS, Redux-saga, Seneca.js, Node.js, Vuex, LocalStorage, jQuery Validation, Chai, Ractive.js, Vue.js, jQuery UI, Restify, GSAP, Animate.css, Polymer, Hogan.js, Evernote API, Google Maps JavaScript API 3, Bing API, Modernizr, jQuery Mobile, PhantomJS
Tools
Redux Thunk, Trello, Spine, Webpack, Git, GitHub, JSX, BitBucket, Stylus, Grunt, Grunt.js, Balsamiq, Balsamiq Mockups, Pivotal Tracker, Browserify, Basecamp, Bower, Bower Front-end Dependency Manager, NPM, Gulp.js, Mocha, Microsoft Excel, Confluence, Rally, Subversion (SVN), JIRA, Mercurial, CVS, Vim Text Editor, FogBugz, Babel, Chrome Developer Tools, Google Docs, Eclipse IDE, Jenkins, Cucumber, Apache, Flow
Paradigms
Responsive Web Design (RWD), SMACSS, BEM, Kanban, Agile, REST, Scrum, Continuous Deployment, Test-driven Development (TDD), Behavior-driven Development (BDD)
Platforms
Parse, Firebase, WordPress, Meteor, Debian Linux, Heroku, Ubuntu, Mac OS, Drupal, CentOS
Storage
JSON, NoSQL, PouchDB, MySQL, PostgreSQL, CouchDB, MongoDB, SQLite, AWS S3, Neo4j
Other
Mockups, fluxible, BEM Architecture, Semantic UI, DHTML, Isomorphic, Async.js, Google Material Design, BSON, Bluebird, User Experience (UX), SVG, Elm Architecture