Languages
PHP 7, PHP 5, HTML, CSS, JavaScript, HTML5, PHP
Frameworks
Yii 2, Bootstrap, Yii, Codeception, Laravel, CakePHP, PHPUnit, PEAR
Libraries/APIs
Pipedrive API, Twitter API, Instagram API, Stripe API, Stripe Connect, Yandex Money, Mandrill API, SendGrid API, Facebook API, VK API, Pushwoosh, PayPal API, jQuery, Salesforce API
Tools
Git, GitLab, GitHub, Composer, Deployer, NGINX, Apache, PhpStorm, Yandex Tank
Paradigms
Object-oriented Programming (OOP), Waterfall Development, REST, Scrum, Agile
Storage
Elasticsearch, PostgreSQL, MySQL, Redis, Amazon S3 (AWS S3), NoSQL, MongoDB
Other
Agile CRM, Admin Panels, GitFlow, System Administration, Mailchimp API
Platforms
Ubuntu, Linux, MacOS, CentOS