PHP ( Symfony,  Yii2,  Codeigniter, Laravel, Kohana, CakePHP, WordPress, Joomla, Magento 1, Magento 2, Woocommerce, Shopify)

Javascript (Vanila JS, JQuery, Node, Three.js (3D animations), Fabric.js, Angular JS, Angular, Express.js, Vue.js)

ASP.NET C# (2 projects back in 2012)

Python/ Django (know how)

Ruby on Rails (1 project)

Databases (MySQL, SQL, MariaDB, MongoDB, CouchDB)

Servers (Cloud, AWS, DigitalOcean, OVH)

Control panels (Cpanel, Plesk, vestacp, virtualmin, virtuozzo, webmin)

Email Deliverability & Email Marketing (GetResponse, Mailchimp, Mandril, Mailgun, Gsuite, Office365 etc)

Email APIs for Mass/ Bulk Marketing (sendgrid, mailgun, office365, Gsuite, sparkpost, Amazon SES etc)

Payment Integrations (Elavon, 2checkout, stripe, Authorize.net)

Social Media APIs (FB, Twitter, Google, Gmail)

SMS/ Calls Automations/ Notifications (twilio & similar)