Client-side Web Development
- Languages: Typescript, Javascript, Coffeescript
- Frontend frameworks: React, AngularJS, Ember
- Frontend technologies: D3, HTML5, CSS3, JQuery, Bootstrap, Lodash/Underscore
- Testing: Cypress, Jest, Nightwatch, Protractor, PhantomJS, QUnit, Karma, Chai+Mocha
- Ops, build: Webpack, Rollup, Nx (monorepo management), Grunt, Gulp, Babel, Browserify
General Software Development
- Languages: Java, Ruby, Javascript; previously C++, and Prolog
- Databases: SQL, PostgreSQL, REDIS; a bit of Hadoop/HDFS, MariaDB
- Backend web frameworks: Ruby on Rails, a bit of Spring Boot (Java)