Development of already existing trading system. Development of new projects from scratch. Refactoring of existing code base. Backend projects based on ZF1 and self-development framework.

Left because development team in Cyprus was dismissed due to changing priorities of the company. --- Development of already existing (CRM and callcenter) and new services. Planning and implementation of architecture of new services. Refactoring of existing code base and migration from PHP5 to PHP7. Planning and implementing of architecture for tests. Backend projects based on Laravel and self-developed framework. Frontend development with vanilla JS and AngularJS (1.x). Moving of logic to (Shared) Web Workers, which decreased amount of requests to backend and synced multiple tabs. Integration with FreeSWITCH. Integration with GitLab CI pipelines. Everything is running in the docker environment. Lot of work with complex queries with PostgreSQL.

Development of highload projects on PHP with MySQL (MariaDB with replication), redis (cluster) and ClickHouse. Main project in the Alexa's TOP-100. Implementation of Vagrant environment which was helpful to increase speed of preparation workplace and removed lot of problems with different dev-environments. Universal provisioning scripts development for quick-install of required software on production, databases, broadcasting servers, OS X workstations and Vagrant environment. Broadcasting servers tweaking to decrease system resources usage as result servers has increased capacity up to 4 times. Coordination and approval of coding standards which was improved code readability. Middleware development with support of ffmpeg and Icecast to add flawless integration of used software with Android and iOS as final result company saves up to $50000 per month. Refactoring of existing code base and migration from PHP5 to PHP7. Migrating from memcached & redis to redis-cluster which improved website performance and decreased amount of used technologies. Migrating to Phalcon and as a result migrating to self-developed framework based on Phalcon, Laravel and Symfony with deep optimizations for company's requirements & servers architecture. Integration of RabbitMQ as the result that simplified code base, increased stability of website and improved response time. Migration of analytic data to ClickHouse. Covered code with PHPUnit tests which was dramatically increased code stability and decreased regressions amount. Switching to webpack building system which was increased code readability, improved components structure and decreased errors by developers as result. Migration of code base to ES6/ES7 and ReactJS which significantly increased productivity of frontend development and decreased code complexity. Implementation of websocket server on golang which increased stability and performance of websocket connections.

Development of existing booking system for river and sea cruises and projects from scratch. Migrating of booking system from to Phalcon framework from self-developed CMS. Integration with payment gateways (CyberPlat, PayOnlineSystem, PSCB). Integration with sms gateways. Integration of booking system with accounting system (based on 1C). Development from scratch of API service. Integration with partners for full automatisation of selling their cruises. Development from scratch of embeddable JS-module for partners with ability to expand fully-featured booking system. Development from scratch of reports service for top-management and accounting with exporting to excel (PHPExcel and libxl/php-excel module). Development from scratch of documents service, which prepares all documents for managers and clients in PDF, e.g. boarding pass and receipts. Development from scratch of website for river alliance (joint project with partners with ability to choose cruise of any partner at one place). Lot of development of bash scripts. Migrating from zoo of shared-hostings to own servers. Preparing from scratch and administrating of all web-servers (CentOS, nginx, chrooted php-fpm, MariaDB). Preparing from scratch and administrating of mail server (CentOS, Postfix, dovecot, MariaDB). Preparing from scratch and administrating of accounting server (CentOS, 1C). Preparing from scratch and administrating of internet gateway server with dhcp, quotas and blacklisting (CentOS, dnsmasq, squid). Preparing from scratch and administrating of Gitlab server.

Development of corporate website based on netcat cms. Development of intranet-projects from scratch php+mysql and based on wordpress and phpbb. Web servers administration. Intranet servers administration.

Windows servers administrator. Active Directory administration Print-server administration Network administration.

Marketing, Marketing

Information science and computer engineering, Software for computers and automated systems

Siberian Education Centre, Web Developer

Siberian Education Centre, C/C++ Developer

Siberian Education Centre, Visual Basic Developer

Cambridge English

Retratech, PHP Developer

Retratech, PHP Developer