Development of management system for the virtualization platform.Frontend: RequireJS, Handlebars, Zurb FoundationBackend: Sinatra (ruby), C ++, Ruby, GoAPIs: C ++, Ruby, GoDatabase: Mysql,sqliteDeployment: Dockerother: bash, libvirt, QEMU / KVM, WebSocketsWeb panel and server for managing Linux hypervisors KVM, with network level (openvswitch, iptables, linux bridge), storage (LVM, ISCSI, NFS, SMB, FCOE), virtual machines (libvirt, qemu), monitoring and collecting information (collectd, zabbix), remote access to virtual machine consoles (spice and vnc via websockets), etc.A huge number of various tasks, from the implementation of the management interface of the algorithms of the cluster of high availability of virtual machines.Company's website: http://gorizont-vs.ru/

1. Developing new REST API services:- API: facebook, Vkontakte, Odnoklassniki (profile, friends and contacts);- User frendings (copying friendship);- Neo4J (friends of friends, etc.);- Mailing list;- real-time updates of feeds and messages in the main application (websocket & long polling);- Service background processes;Technologies:- Rails 4, Redis, Sidekiq, Capistrano (Deploy on dev), Docker & Kubernetes (Deploy on prod), Neo4J, Puma (multithreaded web server)Gems:redis , foreman, vkontakte_api, koala, dotenv-rails, rest-client, sidekiq, puma2. Participation in the development of core applications on Rails:Tasks:- updating data in real time;- work with backing (API);- oauth authorization;- work with API social networks and other services;- Scripts on Ruby parsing various json and csv;- deploy;- and etc.