Java, Python, Pl-Sql.

I have solid knowledge in a wide range of technologies, including:

BackEnd/Programming:

• Java JDK 8 and higher for creating WebServices (Json/XML) and microservices with SpringBoot.
• Python 2.7 and 3.5, Webscraping.
• Delphi 7 and XE.
• C# core.

Frontend:
• Experience in programming using React for creating modern and responsive user interfaces.
• Experience in programming using JSP, JSF, and Primefaces.

Databases:
• Oracle, SqlServer, PostgreSQL, mariaDB.
• Oracle PL-SQL programming, Forms and Reports Builder, Oracle Designer 6i.
• SQL query optimization.
• PostgreSQL PL/pgSQL programming. Messaging Services:
• Apache ActiveMq Artemis, Oracle Advanced Queue.

Operating Systems and Scripting:
• Linux Bash, Shell script creation.
• Creation of Daemons using C (gcc) on Linux and IPC technologies. Virtualization:
• ESXi, VMware. Version Control: • Git, SVN. Application Servers:
• Installation and configuration of Java Application Servers Weblogic 10.3.6 and 12c.
• Installation and configuration of Java Application Servers JBOSS/Wildfly 19 and higher.

Security and Authentication:
• Authentication base using LDAP and Keycloak. • Authentication with JWT (JSON Web Tokens) and OAuth2.
• Creation and configuration of Digital Certificates using OpenSSL and keytool.