Position: Team/Tech Lead Devops
Category: DevOps
English level: intermediate
Years of experience: 11

Accelerated data processing by 1K times))
T-Service
Achievements:	distributed environment of services with Elasticsearch as the only one DB. Gateways to external providers: geo (direct & indirect geocoding, route processing; visicom.ua; here.com, google & openstreetmap were planned), asterisk, sms (http, soap, smmp)
Tools & Technologies:	Python (3.6.3), Elasticsearch (6.8.6), Rabbitmq, Nginx, Centos 7 (cryptsetup, tang/clevis, virtualbox, vagrant), Puppet, Jenkins, Git (kallithea)

squro.com
Achievements:	HA Postgres cluster on far data centers was organized (Berlin, Singapore); the full cycle of CD was redesigned, implemented and configured for the whole infrastructure; new practices were propagated and accepted by team 
Tools & Technologies:	Puppet/Ansible, Dedicated servers, Vagrant, Git, Bamboo, Vim, Centos 7 (virtualbox, packer, kickstart, md, cryptsetup, tang/clevis, rvm, tinc, postgres, rabbitmq, redis, mysql, haproxy, nginx), Bash, Ruby, Java (bamboo plugin)

LoveCrafts.com (Great Britain)
Main achievements:	ElasticSearch cluster was upgraded from 1.7 to 5.5; 4 different loggers were replaced with properly configured rsyslog that is sending logs directly to ES (without LogStash; with local caching); local environment was aligned with latest changes and becomes usable and easy updatable 
Tools & Technologies:	Puppet/CloudFormation, AWS, Vagrant, Git, Jenkins, Vim, Centos 6 (ELK, zabbix, graphite/grafana, rabbitmq, mysql, nginx, apache, magento), Docker (Selenium nodes), Bash, Ruby, Python, 

baozam.net
Achievements: 	In ten months in pair with an embedded software engineer we have designed and implemented the remote control & maintenance system for emergency alert systems/devices (EAS) and similar devices. It is based on Zabbix with an additional powerful feature - online (ms delays) monitoring and control of the chosen device. All data is collected and cached by devices. Devices initiate connection to the server and transfer data in an adjustable period by WiFi (to a nearest hop). Service managers can monitor online so slow (not more then 6 times per second, running curve) as fast (depending on the physical properties of device, oscillograms) changeable parameters
Tools & Technologies:	PHP, JavaScript, MySQL, Zabbix, WebSocket, SSL, Git, Vim, Nginx, phpcli, FreeBSD, Debian, AWS

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