Alex N.

I am a full-stack developer with over 7 years of experience in Ruby on Rails and React. I have developed, maintained, upgraded, enhanced, and led more than 60 Total Projects in a variety of sizes and industries. Certainly, proactive communication and code quality are the main factors I emphasize for Job Success. I help my customers solve their problems within their limits, bring better website with higher competitiveness and revenue. My PROFICIENCY and EXPERTISE: + Agile Method: Scrum, Kanban. + Knowledge Base: OOP, Design Patterns, MVC, MVP, Microservices. + Application Communication: Restful API, GraphQL, WebSocket. + Web App Framework: Ruby on Rails. + Authentication and Authorization RubyGems: devise, cancancan, rolify, omniauth, jwt, etc. + Other RubyGems: prawn, activeadmin, aasm, acts_as_list, whenever, etc. + Background Jobs: Rails Active Job, Sidekiq, Resque. + Real-time: Rails Action Cable, Firebase, Twilio, etc. + TDD and BDD: Rspec, Capybara, Selenium, etc. + Main Frontend Languages: HTML, CSS, JS. + UX, UI Responsive: Bootstrap, Tailwind, Jquery, etc. + SPA: React, Redux, React Router, etc. + React-based Framework: Next.js - SPA SEO resolution using SSR and SSG. + SQL and No SQL Database: PostgreSQL, MySQL, Redis, etc. + Search Engine: ElasticSearch, Algolia, etc. + Payment Gateway: Stripe, Braintree, etc. + Cloud Computing: Amazon Web Services, Heroku, Digital Ocean, Vercel, etc. + Linux-based: SSH, CronJob, Log Rotation, etc. + Web Server: Nginx, Apache. + Application Server: Puma, Passenger. + Deployment Script: Mina, Capistrano, etc. + CDN: Cloudflare, Cloudfront. + Mail Service: Mailgun, Mailchimp, Sendgrid, etc. + Web Tracking and Analytics: Newrelic, Rollbar, Bugsnag, Sentry, etc. + Other DevOps Skills: Git, Docker, CI/CD, DNS management, HTTPS SSL cert installation, Scaling, Load Balancing, etc.