Website creation and support for previously created projects.Perl, mySql, HTML, CSS, JS, jQuery, Bootstrap, payment APIs.Also support for sites in PHP (one example is iee.org.ua).
Over 10+ years, about 100 websites were created on our own CMS developed in Perl.
Organizing your own hosting server based on vps: linux, apache, cgi, letsencrypt, crond, php-farm, postfix, spf, dkim, mysql, perl, cpan, ssh, openvpn, iptables, nat, fail2ban.

Creation of a web portal whose purpose was to create a personal account for the company’s clients, as well as organize the work of regional managers.

The web portal was connected to the main accounting system of the organization by exchanging xml packages.

The project was successfully completed and worked until the start of the covid epidemic (services.irf.com.ua).

I acted as a private contractor. The work was carried out in a team together with the company’s full-time programming department.Perl, mySql, HTML, CSS, JS, jQuery, XML

System administrator: Reorganization of a unified computer network: about 200 employees in 4 branches located in Kyiv and the region.

Programmer: creation of an employee accounting system with a web interface, integration with jabberd (corporate communication server for employees).http://irf.com.ua

installing/configuring Linux server iptables, dhcpd, bind(named), ftpd, crond, squid, httpd (apache), mySql, pptpd (VPN), mail (smtp, pop3, imap4, squirrelmail). Registration and support of the domain yarche.kiev.ua. Working with dedicated Internet lines (xDSL).

System administrator: organizing the work of 4 computer rooms.

Installing/configuring Linux server - iptables, dhcpd, bind(named), ftpd, squid + sarg, httpd (apache), jabber, mySql, tftpd, crond. Registration and support of the domain anastasi.kiev.ua. Working with dedicated Internet lines (xDSL).

Programmer: development of an enterprise database with a web interface Perl + mySql + Html + Css + Js.

Accounting for clients/listeners, lectures, creating and issuing an individual schedule to the listener, etc...

The database has been updated and improved over 10 years and continues to work.

http://anastasi.kiev.ua

teach touch typing method, HTML, CSS, Adobe Photoshop, etc.

Windows NT 4.0 - domain support. Unix Free BSD - support for Internet gateway, creation of bash scripts to control Internet access from the computer room. Working with dedicated Internet lines (xDSL).

First freelance:

Development of the website www.kft.kiev.ua and creation of the first database on MsAccess.

The database was maintained and updated until 2003, after which the database worked for several more years with independent maintenance by customer specialists.