Language: C, Java, PHP, JavaScript ES5/ES6, Ruby, Python, SQL, Blocks-based PL ? Web Design: HTML, CSS, LESS, Bootstrap ?
Frameworks: CodeIgniter, Laravel, Express, Ruby on Rails ?
Database: MySQL ?
Unit Testing: Selenium, Mocha, Chai, Capybara ?
Code Versioning: Git, GitHub ?
Others: NodeJS, Ajax, OOP, Database Design, ORM, TDD, EDD, Continuous Integration, Database Optimization.