Andriy Khomenko

• Implementation and improvement of advertising display technologies, analysis of user behavior on site and improve UX • Project management in the development of new versions of the site https://www.autocentre.ua including classified of new cars • The technologies used are: PHP, Python, MySQL, Redis, WordPress, Basecamp, Google Analytics, Google Data Studio, Facebook Ads, Google AdWords

• Explore of new technologies for publishing business. • Manage and promote mobile applications for iOS and Android • Introduction Barcode and Augmented Reality to publishing process • The technologies used are: Adobe Publishing Suite, Google Analytic, PHP, MySQL, REST API

• Use PostgreSQL Master-Slave replication and write special routers to distribute the load in an optimal way. • Creation of specialized СDN for processing and delivery of images on several servers. With the help of multi-threaded processing and the use of queues, we managed to achieve complete data duplication and avoid resize on demand. • The technologies used are: PostgreSQL, Django, Python, MongoDB, ElasticSearch, Solr NodeJS, RabbitMQ,

• Design, implementation and support of a hybrid distributed network with full backup of data and functional nodes, with guaranteed uninterrupted operation to 50 servers and 300 workstations • Migration several domains to one with save all accesses and without users and servers downtime • Created Security Policy with multilevel access rules • The technologies used are: Windows Server 2000, 2003, 2008. Active Directory, MSSQL, DHCP