Development and application of processes for managing teams of programmers, using Git, Docker, Kubernetes (k8s) and nix systems and project management tools including MySQL/MariaDB, Redis, Queues (RabbitMQ, Kafka, Redis), BitBucket, Jira, Slack, Confluence; Participation in technical interviews and hiring of employees; Maintaining high standards of software quality within the team by establishing good practices and habits using OOP principles, SOLID, DRY, Domain-Driven Design (DDD), Command Query Separation (CQS), Command Query Responsibility Segregation (CQRS), and integrating with other services through APIs; Assess opportunities for process improvement and prepare documentation to share with team members and other affected parties; Development of new and current functionality of CRM systems using using MySQL/MariaDB, Redis, RabbitMQ, and Kafka; Design and implementation of complete functional modules; Development of architecture and technical design of software products using programming languages and frameworks PHP 8.1 - PHP 8.3, Golang, Yii2 Framework, Symfony 6 - 7, Laravel, and JavaScript (JQuery, Vue.js); External services integration; Performance optimization for projects with high load; Code Review and testing by writing unit and functional tests (PHPUnit, Codeception) and using code analysis tools (Psalm, Phpstan); Introduction of modern technologies into company processes.