Blockchain (Ethereum), Smart Contracts (Solidity), Truffle, Web3, ERC20 Standard PHP4-7, HTML, HTML5, CSS3, JavaScript, TypeScript, REST, AJAX ES6, jQuery, AngularJS, NodeJS, ReactJS Symphony, Laravel SASS/SCSS, LESS, Bootstrap, Foundation Framework WordPress Google API, Facebook API, Google maps, Apple Push Notification PayPal, Stripe, Bluepay MySQL, sqlLite, MongoDB, PostgreSQL Amazon Web Service (EC2, ROUTE 53, CloudFront, S3, RDS, Elastic Cache, SES)