Technologies

Technologies used

Web UI:

HTML, CSS, JavaScript, jQuery, React / Redux.
Java Web technologies:

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.
Java other technologies:

Java SE, Swing, Java FX, Apache Log4j, Google Gson, Google Guava, Google Guice, Hibernate, Jackson, Jersey, JUnit, SLF4J.
Databases:
Mysql, Mariadb, Redis.
Operating systems:

Mac OS, Linux, Windows, Raspberry, Android, iOS.
Code Control System: Git.
Resource control system and application state: Zabbix, Grafana, Prometheus..
Development Environment: Eclipse and others.
Web Servers: Nginx.