Hello there,
Greetings of the day!
"I can't quote you an exact cost for your project as I need to have more details and technical discussions."
I can surely upgrade your existing Rails application to the updated version with perfection and quality-oriented work. The complete work will be delivered within a very quick time for sure.
My Expertise,
I am a highly skilled and professional web developer having 7+ years of experience in web development. I have developed over 85 websites with big and complex functionality. I have expertise in both frontend and backend development.
My Skill Set,
Core - Ruby, and Ruby on Rails
Front end - JavaScript, Angular.js, React JS, Vue.js , Backbone.js, HTML, HTML5, Bootstrap/Foundation Zurb, CSS/CSS3, design & interaction, rich interfaces
Test-Driven Development - We usually run an RSpec, Capybara, Shoulda, FactoryGirl, Selenium, Poltergeist stack.
Database - MySQL, PostgreSQL
Middleware - Redis/Resque, Memcached, Sidekiq, Delayed_job
Methodologies - Scrum/Agile, TDD, BDD, pair-programming
Cloud server - EC-2, Digital Ocean, Heroku, Linode, Azure
API Integration - Facebook, Twitter, Google, LinkedIn, Twilio, Sendgrid and others.
Please let me know your availability so we can have a technical discussion further discussion in the chatbox.
Best regards.