Development of system architecture, upgrade/refactoring/maintenance of systems, integration with 3rd party and factory services. Development and modernization of the company's information system for organizing the production and sales of products (back-office) - backend: PHP, Symfony, Doctrine, MySQL - frontend: JS, jQuery, Mithril Development and modernization of the company's information system for direct sales (front-office/webshop) - backend: PHP, Symfony, Doctrine, MySQL - frontend: JS/Mithril SPA Development and modernization of the company's information system for customer self-care (self-care) - backend: PHP, Symfony, Doctrine, MySQL - frontend: JS/Mithril SPA Following results have been achieved: - overall - systems were migrated from Zend Server to nginx/php-fpm - systems were moved to Docker containers (Swarm) - CI/DI moved to Docker container (Jenkins in Docker) - back-office - system fully refactored, migrated from PHPonTrax to Symfony 2.8, PHP5 to PHP7 - integration with ActiveCamapign marketing automation - integration with Billogram (SE) и Intrum (DK) invoicing agencies - integration with CheckBiz (SE, ex Ratsit) personal data service - partial integration with PodioCRM - multilingual translation system able to be integrated with translation agencies - 100% PHP code coverage with tests - front-office/webshop - backend fully refactored, migrated from PHP5 to PHP7 - frontend SPA fully refactored, migrated from Backbone to Mithril.js - 100% PHP code coverage with tests - self-care - system fully refactored, migrated from Zend Framework to Symfony 2.8 (later 5.3), PHP5 to PHP7 (later PHP8)

Development of the system architectures, development of database architectures (Oracle), development of mission-critical systems and applications, the formulation and distribution of tasks to subordinate staff, monitoring their implementation. Following products were developed: - Payment system which integrated with company's billing system (RedKnee TCB) using Oracle DB, PL/SQL, PHP/Apache/SOAP; - Internal API for integration of in-house and 3rd party applications of self-care services with company's billing system's API (RedKnee CRM API, RedKnee URCS API) using PHP/Apache/SOAP; - System for integration of in-house Oracle DB applications with company's billing system's API (RedKnee CRM API) using PL/SQL, Java; - CRM system which integrated with company's billing system (CRM) to extend of its functionality using Oracle DB, PL/SQL, Perl; - System for integration of in-house applications with HLR (ZTE ZXUN USPP Interface) using PL/SQL; - System for integration of company's billing system (RedKnee CRM) with PCRF (ZTE PCRF API) using Java, HTTP/SOAP; - Automatic subscriber notification system for newly activated subscribers, using Oracle DB, PL/SQL, PHP/Apache/SOAP, Avaya IVR, Avaya Dialog Designer; - USSD self-care system which integrated with company's billing system of USSD self-care (RedKnee IVP) to extend of its functionality using PHP/Apache/SOAP; - SMS/USSD-Flash/USSD-Menu push system using Oracle DB, PL/SQL, Bercut UNICA, PHP/Apache; - VOIP routing and CDR aggregation system using FreeSwitch, Oracle DB, PL/SQL, C/C++, Perl, PHP/Apache;

Development of automation system based on the Oracle database using C ++, GTKMM, OCCI, C# for Linux and Windows platforms.

Administration of Linux and W2K3 operation systems, DNS systems, e-mail systems, Internet/Intranet access systems, network separation systems; Administration and management of IP routers, switches, LAN, synchronous and asynchronous modems, PBXs; Planning of department activities; Planning of investments and expenses necessary for the implementation of the planned department activities;

Organization of corporate network between offices and branches of the company using external ISPs and VPDN; Administration of Linux and W2K operation systems, DNS systems, e-mail systems, Internet/Intranet access systems, network separation systems; Administration and management of IP routers, switches, LAN, synchronous and asynchronous modems, PBXs; Administration of MS SQL servers; Administration and configuration of billing telecommunication systems, traffic control; Planning of department activities; Planning of investments and expenses necessary for the implementation of the planned department activities; Formulation and distribution of tasks to subordinate staff, monitoring their implementation;

Development and administration of AAA system for dial-up (C, RADIUS, Cisco NASes). Development and administration of AAA system for VOIP (C, RADIUS, Cisco NASes). Development and administration of I-Card+ card platform (C, Php, MySQL). Development of Cisco IVR applications (Cisco TCL); Development of monitoring applications (C-Builder, Perl, Php);

Engineer in the department of marketing and customer service

Software development IT support

Student computer operator

Faculty of Civil Engineering