Senior Ruby on Rails Developer & Consultant

UML, MVC System Architecture, Design Patterns, Object-Oriented Programming, Data Engineering, Relational Databases, SQL ( +, Neo4j GraphDB, MongoDB, Data Mining, ETL, Linux Systems, VPS, DevOps, SSH, Git, Continuous Integration, HTML, CSS, Javascript frameworks, Ruby on Rails, RSpec, paperclip, kaminari, redis, sidekiq, byebug, nokogiri, capistrano, Zsh, tmux, screen, vi, spacevim, rvm, Expressions, RabbitMQ, Web Services, JSON, REST & APIs integration, MySQL, PostgreSQL, MariaDB, SQLite, GraphQL, Processing, org Media Framework, ffmpeg, imagemagik, convert, Coffescript, jQuery, Vue.js, learning React. + DataVizualization libs, TCP/IP, HTTP, UDP, XMPP, nmap, Sockets, Unix, PHP, Python, Java, Pascal, Crystal, pure Bash, Agile Methodologies, Extreme programming, Scrum, Kanban, TDD, Web Development, routers, RoR, Docker, Capybara, Hibernate, SysAdmin, Pascal Delphi, Web Hosting Server, Linux, open-source, RoR platform +, cron, CMS, +jQuery, Content Management System, relational database, Ruby, algorithm, encode, data visualization, visualization, Wikipedia, router, RDF, Google Talk, RSA, Java software, encryption, decryption, IP connections