Backend development in Java 11 with Spring Boot, microservices, Redis caching, MinIO integration, MapStruct, batch jobs, API integrations, code quality with SonarQube, CI/CD with GitLab, and unit testing.

Implemented Redis as a global caching layer, introduced Spring Batch for high-volume data, improved security with Spring Security, and optimized CI/CD with GitLab pipelines.

Requirement analysis, new functionalities, system testing, programming, technical advice, remote work. Used SQLSERVER, PL/SQL, Docker, PHP, Node.js, Redis, Angular, Ionic, GitHub.

Improved microservices development with Docker, enhanced PL/SQL and Transact SQL skills.

Led mobile/web development (Android/Java, Flutter, Ionic, Angular), coordinated projects, managed Azure/Firebase, implemented Scrum, handled deployments, UI/UX design, IoT integration.

Developed and published mobile and web apps, led team, managed Azure resources, integrated IoT hardware.