Development and support of the backend of Skysmart Parents and Skyeng mobile applications.My primary processes in work:- development of new functionality on the backend of mobile applications at the request of users on PHP- support for old functionality and bug fixes- building architecture- solving cross-service tasks- writing unit testsStack of technologies:- PHP 7.4-8.0 (Symfony 4.4-5.4)- PostgreSQL, MySQL- RabbitMQ- PHPUnit, Codeception- Linux, Docker containerization- Redis- OOP, DDD, SOLID principles and design patterns

Developed and maintained a personal account for the user of the Unitpay payment system. My primary processes in work:- development of the new functionality in PHP (Symfony)- support for the finished functionality and fixing bugs- solving customer problems in real timeStack of technologies:- PHP 8.0 (Symfony 5.4)- MySQL- Redis for cache and key-value storage- Clickhouse for logging and analytics- OOP, SOLID, Design Patterns- Linux, Docker

Development of frontend and backend for medical personnel services. My primary processes in work:- development of the new functionality on backend (PHP, Symfony, Yii)- development of new functionality and code support on the frontend (Javascript, JQuery, Angular)- work with PostgreSQL, MySQL, Oracle databases- following SOLID practices- using Linux as a working environment, containerization in DockerStack of technologies:- PHP 7.4 (Symfony 4.4), PHP 5.6 (Yii 2)- JavaScript (JQuery, Angular)- PostgreSQL, MySQL- Clickhouse- Linux, Docker

Development of landing pages and websites for individuals and businessmen.Stack of technologies:- PHP (5.6, 7.1-7.3)- MySQL- HTML 5, CSS 3, Gulp