HTML
98%
XHTML
93%
HTML5
95%
CSS3
96%
JavaScript
97%
React.js
92%
Vue.js
92%
Angular.js
94%
React Native
90%
Node.js
91%
Ajax
90%
JSON
92%
CSS
95%
jQuery
90%
PHP
96%
Node.js
90%
Laravel
95%
JAVA
97%
CodeIgniter MVC frameworks (Laravel, Yii, Zend, CakePHP
91%
LAMP Development Stack
90%
API Integration (Facebook, Twitter, YouTube, Google)
91%
Version Control (SVN, Git, GitLab, Bitbucket)
92%
Project Management Tools (Jira, Asana, Trello, MeisterTask, Monday)
90%
Cloud Management Tools (GCP, AWS, Azure)
92%
Linux
96%
Apache/nginx
95%
XML/XSLT
90%
SOAP
91%
REST
95%
MYSQL
96%
PostgreSQL
95%
MongoDB
92%
Google Big Query
90%
MSSQL
91%
SQLite
90%