Developer of software for information systems in Java and PowerBuilder. The database under the SQL server, PostgreSQL, Oracle, Sybase - SAP and application servers Apache Tomcat and so on. I have experience developing information systems that work with hundreds of millions of entries in the Sybase-SAP and PostgreSQL database. With WEB server publishing and data management via the Internet. As well as a local access to the accumulated arrays from the local network using the PowerBuilder and Java. I have experience in developing information systems in the field of automation of oil refining, banking, accounting, transport and media systems. To automate small companies, I specifically make projects based on free Java software, HTML, JavaScript, Apache Tomcat, PostgreSQL and Linux.