Vitalii O. — Senior Ruby on Rails Software Engineer (Full-Stack)

Expertise in Full Stack Web.

Last verified on July, 2023

Core Skills

Bio Summary

- With about 6 years of software development experience with Ruby on Rails and the latest standards of ECMAScript - Intermediate English. - Available ASAP.

Technical Skills

Programming Languages	CoffeeScript, Elixir, Go, JavaScript, PHP, Python, Ruby, TypeScript
Ruby Libraries and Tools	active admin, activemerchant, Capistrano, carrierwave, mongoid, omniauth, resque, RubyMine, Sidekiq, twitter-bootstrap-rails, websocket-rails
Android Libraries and Tools	AWS SDK for Android
UI Frameworks, Libraries, and Browsers	CSS, HAML, HTML, jQuery, Phoenix, SASS
Python Frameworks	Django
JavaScript Libraries and Tools	ES6, React Thunk, Redux, Stimulus
JavaScript Frameworks	jQuery, Node.js, React, Stimulus, Vue.js
Ruby Frameworks	Roda, Ruby on Rails, Sinatra
Databases & Management Systems / ORM	Memcached, MongoDB, MySQL, PostgreSQL, Redis
Cloud Platforms, Services & Computing	AWS, GCP, Heroku
Amazon Web Services	AWS SDK for Android
Web/App Servers, Middleware	Apache HTTP Server, Nginx, Puma (Ruby/Rack Web Server)
Collaboration, Task & Issue Tracking	Asana, Jira
SDK / API and Integrations	AWS SDK for Android, dropbox-sdk, Stripe, Twitter API
Third Party Tools / IDEs / SDK / Services	AWS SDK for Android, jbuilder, Microsoft Visual Studio Code, RubyMine
Deployment, CI/CD & Administration	Axios, CircleCI, Jenkins, newrelic_rpm
Operating Systems	Centos, Debian, Ubuntu
Mail / Network Protocols / Data transfer	dnsruby, WebSockets
Version Control	Git
Platforms	Magento
Other Technical Skills	better_errors, cancan, delayed_job, dynamic_form, easy_translate, exception_notification, fastercsv, friendly_id, geocoder, google-spreadsheet-ruby, mechanize, mina, mini_magick, nested_form, nokogiri, paperclip, pdfkit, prawn, pry, pundit, rmagick, state_machine

Experience

Full-Stack Developer, VeViDi

2019 – present
Responsibilities:

Designing and developing of a custom multi-featured unified CMS system for multiple news and quiz websites with A/B-testing according to software design best practices. Building flexible solutions for image uploading, content caching and CSV data importing. Solving performance and reliability issues. Created with: Ruby on Rails, CarrierWave, Sidekiq, Vue, Stimulus.
Developed a powerful word finder web resource, which helps users find all the highest scoring words for Scrabble, Anagram, Jumble, Words etc. An efficient word generator algorithm implementation. Built with Ruby on Rails, Elasticsearch and Vue
Built a proxy server with Node.js (using express.js)
Created web interface for web (using express.js) including scraping with Node.js
Built a project which was aimed at pulling data from a server using the Trie structure. Technoogies: Node.js
Main technologies: Ruby on Rails, Node.js/Express.js, React.js, CarrierWave, Sidekiq, Vue, Stimulus and Elasticsearch

Full-Stack Developer,MassMedia Group

2017 – 2019
Responsibilities:

Built an intuitive and powerful network activity monitoring tool. Found solutions for front-end performance issues around load times, used data binding and implemented back-end API interaction. Improved the back-end application scalability and stability. Technology stack: React, Redux, Thunk, Axios, Web Sockets, Ruby on Rails, Sidekiq
Designed and implemented a multi-faceted restaurant menu management system according to software engineering best principles. The project was a SPA built with Vue, Web Sockets, Ruby on Rails and Sidekiq.
Developed a data visualization dashboard application for Elasticsearch with Ruby on Rails and React.
Mostly worked with: Ruby on Rails, React, Redux, Thunk, Axios, Web Sockets, Sidekiq, Vue and Elasticsearch

PHP Freelance Developer

2016 – 2017
Responsibilities:

Developed various online stores running on Magento. Integrated payment and delivery services.
Created custom plugins for popular PHP based CMSs.
Mostly worked with: Magento, PHP, Ruby on Rails

Education

Master's degree in Computer Engineering at Khmelnitsky National University
2014 - 2019

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