This vacancy entails working on open-source projects using PHP as the primary language. The focus lies on backend development, including creating APIs for a specific PHP-developed framework. Additionally, creating PHP libraries and implementing unit tests using PHPUnit to ensure code quality is expected.

Unit testing development using PHPUnit in Symfony 4+ framework, utilization of Redis, System Analysis, and Docker environment configuration for PHP environments on Linux.

Development of web platforms for multiple client companies using JavaScript technologies (ReactJS) and PHP (Lion-Framework), along with MySQL databases. Providing support to multiple platforms and ongoing maintenance, system analysis, and implementing security measures (JWT/RSA) for enhanced system security. Additionally, utilizing Docker (compose) for software virtualization to facilitate the development of various software solutions.