_ Expert System Administrator
+ Manage linux server CentOS, Redhat, Debian, Ubuntu ...
+ Setup & config services: web (Apache, Nginx), mail, ftp, squid(proxy), socks, ...
+ Scripting and Task Automation (Python, Bash)
+ Web server administrator: setup & config, build PHP, cache, ...
+ virtualization technology: OpenNebula, Proxmox, Xen
_ Expert Web Developer
+ PHP CMS: Wordpress, Joomla, Drupal, Magento, Shopify, Prestashop...
+ PHP framework: Codeigniter, Laravel, ...
+ Research & Develop any PHP Application.
_ Expert WHMCS developer:
+ Develope awesome modules
+ Integrate new payment gateways
+ Integrate domain registrars
_ Expert in Web Scraping
+ Make tool to scrap anything you want
+ Bypass captcha
+ Bypass obfuscation
_ Expert Security Researcher
+ Web application vulnerabilities: XSS, SQL injection, RFI, ...
+ Secure server + application from hackers.
+ Remove webshell, malware, malicious script.