Hello there,
Greetings of the day!
I have just gone through the post and checked the details and I am very confident to work on your project to update your existing Web Application.
I can complete all the task including bug fixing, adding new features, improve usability with the quality oriented work.
You will get exactly the same work you are willing for within the deadline.
My Expertise,
I am a highly skilled Ruby on Rails web app developer having 3+ years of experience in it. I have developed over 135 web apps through it with big and complex features. I have expertise in both working on existing or from scratch.
My Skill Set,
----Core - Ruby and Ruby on Rails,
----Front end - JavaScript, Angular.js, React 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, Linod, Azure
----API Integration - Facebook, Twitter, Google, LinkedIn, Twilio, Sendgrid and other.
Let me know your availability so we can discuss the project further in detail in the chat box.
Waiting for the positive response.
Best regards.