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Frontend development:
HTML, CSS, JavaScript, TypeScript, React, Redux, Ant Design, Vitest.
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Backend development:
Java EE, Spring, Spring cloud, Spring flux, Spring Integration, Spring Security, Apache Mina, Apache CXF, Thymeleaf, Jersey, Apache Tomcat, EclipseLink, EHCache, GWT, Jetty, JSoup, Selenium, Hibernate, Jackson, Jersey.
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Desktop development:
Java SE, Swing, Java FX, Apache Log4j, Google Gson, Google Guava, Google Guice, JUnit, SLF4J.
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Mobile development:
Flutter.
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Support (devops):
Jenkins, Kubernetes, Docker, OpenShift/(k8s), Ansible, Kafka, Vault, S3, Keycloak, Prometheus, Grafana, Bitbucket, Bash, Python, JavaScript, ELK, Groovy, CI/CD.
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Common:
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Databases:
Mysql, Mariadb, Redis.
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Operating systems:
Mac OS, Linux, Windows, Raspberry, Android, iOS.
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Code Control System:
Git.
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Resource control system and application state:
Zabbix, Grafana, Prometheus.
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Development Environment:
Eclipse and others.
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Web Servers:
Nginx.
