Software Engineer at SaaS team (Go, AWS) Developer Advocate (Everything, Research, Writing, Coding)

I was responsible for creating a platform for a social network. Social Network backend, infrastructure services, and architecture. Go, gRPC, GCP, Spanner, Datastore, PubSub, Kubernetes, AWS/RDS/PostgreSQL/Redis, Kafka. - I created a system that has grown to hundreds of services running in production, - I have built private blockchain system that can scale horizontally (mixed btc&eth architecture), - I have built a modern instant messaging system (like telegram), - I have built a baseline infrastructure library for microservices, founded coding standards, - I have led the migration from AWS to the Google Cloud Platform, - I interviewed people and helped others to learn concurrency, - I have managed teams in order to get these projects done. - I have created and managed a development culture.

Cloud Infrastructure and Operations development and support, troubleshooting. Linux/Windows servers, Nginx/Lua, Ansible, CoreOS, Docker, Vagrant. - I've built a multi-datacenter fault-tolerant cluster monitoring system atop deployed Consul infrastructure with a nice Dashboards overviewing clusters overall state, SQL interface to every piece of data and integration with our 24x7 services like Stackify, PagerDuty, VictorOps and etc. (with ideas came from Facebook`s OSQuery, InfluxDB, Vector Clocks, CRDTs, and ZooKeeper LE) - Built distributed execution framework in PowerShell (WinRT) capable of updating hundreds of the windows servers at the same time and automated all deployment procedures - Wrote Microsoft Azure Storage services Go client - Built distributed passive synchronization of user plugins - Hack around Consul, Vault, Nomad, InfluxDB

Go, C++, JS - slither.io reverse engineering, full protocol reversing, game algorithms, debug tools - slither.io c++ game server implementation (https://github.com/sitano/slitherss), boost.asio, websocketpp - golang internals research, goroutines internal parking api (gsysint) made public, some internal structs to play with exposed - research of golang internal channel impl.

MMO browser game backend system (MusicWars: http://musicwars.ru) I was in charge of all backend-specific parts like architecture, development, scalability, reliability, optimization, and configuration. - created and ran scalable game platform - servers setup (aws and bare metal) - patched javassist, hibernate, memcached, mysql, redis drivers and scribed. - created development environment with puppet / vagrant - created automated deployment system based on fpm, prm - integrated our game platform with publisher's services (service set cluster on node.js) - created DSL scripting language (antlr, eclipse java compiler) - solved a lot of performance issues on production site (with mysql, raid, redis, memcached, jvm, ...) - tuned jvm (gc too) a lot - I found PermGen memory leak based on invalid JIT configuration - wrote a lot of bash, ruby, python scripts to automate things for our dev env - did static code analysis and heap memory dump analysis to improve our memory footprint Technologies: Linux, Java, Node.JS, Scala, Bash, Puppet, Thrift, Scribe, Finagle, Netty, Redis, Memcached, Mysql, MongoDB, Sphinx (Lucene replaced), Ehcache, Hibernate, Eclipse JDT, Vagrant, Puppet, Ruby, Python, SBT, Maven, Ant.

C# 3.5, ASP.NET MVC 1.0, NUnit, Moq, Microsoft SQL Server 2005, Entity Framework, Dynamic Linq, jQuery, Microsoft Best Patterns Practices, Microsoft Enterprise Library

Developing brand new BITRIX.NET CMS solution. C# ASP.NET. Some ads stuff for Bitrix ads module, PHP. WebServices module (SOAP/WSDL integration) for Bitrix, PHP.

Математический факультет, Прикладная математика и информатика

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