Do my best

My roles:* Finops - cloud cost efficiency, working on cost accounting for product teams.* Head of Infra Platform - UX for developers and accelerating development with tools, practices and processes.* Head of SRE - continuous work on service reliability, which results in everything is fine on Black Fridays.* Deputy CTO - capacity planning, budgeting, working with infrastructure costs.

Making an app that recognised by TechCrunch as a Top Pick in Blockchain for Disrupt SF 2018Technology stack - kubernetes, golang, geth, google cloud.

I focused on the infrastructure platform, the cost efficiency of the cloud, and the speed of development.Technology stack - aws, kubernetes, terraform, ansible, gitlab-ci, java, nodejs.

https://onefactor.com - artificial intelligence services for scoring and digital outdoor advertising, working on big data from MegaFon(the second largest mobile phone operator in Russia) and other data providers.Responsibility for processing petabytes of data and operation of services with specified SLA.2 data processing sites - one in the MegaFon, the second built themselves.Management of 3 groups - system engineers (9 people), technical support (2 people), internal IT (1 person).Technology stack - java \ scala \ clojure, python \ go, flink \ spark ss \ storm, kafka \ rabbitmq, yarn, hdfs (parquet \ auro \ gz), mr1 \ spark, hue \ hive \ impala \ jupiterhub\ rstudio \ zeppelin \ etc, oozie \ luigi, hbase \ cassandra \ mongodb \ clickhouse \ kudu, postgres, consul \ etcd, elk, graphite \ ganglia, vault \ kerberos, nagios \ sensu, docker, puppet \ ansible, jenkins, multiple our own tools and services.

- Developing architecture of product with head of production.- Supporting production, stage and test environments for the project.Technology stack - .net, iis, unity, python, postgres, redis, rabbitmq, ansible, elk, sensu, teamcity.

- Developing a continuous integration and testing framework.- Developing a test-framework for testing big c++ product.- Doubled the speed of execution of the unit tests.- Developed a system for load testing of different versions of the product with the subsequent comparison of metrics.Technology stack - python, redis, docker, jenkins|jenkins_api, aptly, py.test|nose, avro, our own tools and products.

I did a few projects for various customers.Main technology stack: AWS, DO, docker, python, jenkins\teamcity, ansible.Keywords: High availability, high load, continuous integration.

- Reduced the number of incidents in a production environment, operating in 24 \​ 7 (a large farm of servers at different sites in different countries) to 90%. Rating availability of services - 99.99% per year on average.- A significant increase in the number of changes to the production environment.- Formalize and implement processes in the it group (a hodgepodge of ITIL and COBIT, adjusted to our needs).- A project to implement a new system of monitoring(sensu) and a new system for collecting and graphing metrics(graphite).- Completed a number of projects to optimize the internal infrastructure - we solved the problem of irrational use of resources, developed our own cloud solutions based on docker and our own scripts.- Implementation of a configuration management tool - ansible. Minimization of manual work on servers, reducing the risks associated with the human factor.Technology stack - java, postgres, php, memcache, redis, mssql, mongodb, .net, iis, couchbase, teamcity, jira, ansible, chef, docker, lxc, openvz, vmware esxi, bash, python, logstash, sensu, zabbix, nagios, elasticsearch, graphite, ceres, whisper, jenkins, pentaho, bind, squid, openvpn, dirserver, our own tools and products.

Did my best.

Cared about the users, the infrastructure and business.