I have knowledge in PHP, Ruby, Framework CodeIgniter (Advanced), Zend Framework, Laravel, Ruby, Ruby on Rails, SinatraRB, CubaRB, HanamiRB, Elixir, Phoenix framework, Python, Flask, Django, MySQL, MariaDB, PostgreSQL, CSS, Bootstrap , XHTML, HTML5, Javascript, jQuery, Angle, React, vue.js, PhoneGap, ionic, nativescript, reactnative, Git, Github, Linux, Apache server configuration, nginx, Puma app server, Unicorn, Phusion Passenger, Digital Ocean VPS, Heroku, Amazon AWS, Backend and Frontend.