I mainly work on web system development by PHP. The following areas are good for you, but it would be appreciated if you could consult with others. PHP, Perl, Javascript, jQUery, HTML, CSS, MySQL, PostgreSQL, Linux, Mac, Windows, AWS, Apache ... etc
PHP and MySQL have more than 12 years of experience and experience. The past production system is of various sizes and can not be written here, but there is a simultaneous mail delivery system (e-mail magazine system), payment system (payment agency service), training system, portal site construction system including adult, etc. .