Java, Data structures, Cloud Technologies, Artifactory, Grafana, Kotlin, JIRA, Sql, Jenkins, Git, Linux, K8S, High-load distributed systems design, Algorithms complexity, Tanka, Relational Databases, ArgoCD

Java Programming Language, Software Development Lifecycle, Agile Methodologies, RESTful API development, Windows Server operating system, Designing scalable backend applications in Java, Microservices architecture