Top Upwork Freelancers

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  1. Bang Ly Tieu

    Bang Ly Tieu

    Expert in Ruby / Rails / jQuery / ExtJS / MySQL / Facebook / Linux

    Vietnam - Tests: 8 - Portfolio: 2

    With a lot of experience on HTML, DHTML, Javascripts/Prototype/jQuery, Ruby/Ruby on Rails, PHP, MySQL and administrative skills for various platform Windows, Linux, Mac, I'm looking for chances to work on any projects as build site from ground up, develop more features, maintain, administrate servers/site.

    Groups: Engine Yard Ruby on Rails Professionals Network

    $50.00 /hr
    2,409 hours
    4.87
  2. Aamit A Agency Contractor

    Professional ROR Developer /Agile/BDD/REST/AJAX/JSCript/CSS/LAMP

    India - Tests: 2 - Portfolio: 4

    Last 4 years I worked on Ruby on Rails projects with different types of complexity. I am strong at database design and analysis. I have strong JS skills (prototype, jQuery). I am a flash, flex, actionscript (AS3) expert. I consider myself self-taught and always willing to acquire additional skills and training as required. My Philosophy: My work philosophy is based on simple business principles, agile project methodologies, Web 2.0 best practices, cutting edge open-source software and client centricity. My Development Approach: I usually do Behaviour Driven Development using RSpec/Cucumber.Unit and Integrated tests are part of my core development process My skills: Ruby, Rails2.0, RESTful approach, TDD, BDD, RSpec, Capistrano, JavaScript, , Flex, Adobe Air, Flash, Actionscript, Ajax, jQuery, prototype, scriptaculous, HTML/CSS/XML, MySQL, LAMP, Google Maps, Rmagic, svn, Git, Pivotal

    Groups: Engine Yard Ruby on Rails Professionals Network

    Associated with: HighonRails Agency

    $40.00 /hr
    4,256 hours
    4.79
  3. Martin U.

    Martin U.

    Expert Ruby on Rails Developer

    Poland - Tests: 12 - Portfolio: 9

    If you're looking for the cheapest - someone who'll cut corners to save a few minutes' work - you'd better look elsewhere. Types of systems I've been working on (most were covered by NDAs): - ERP systems (for a production line in a factory) - advertising platforms (using AdWords and AdSense) - banking systems ( I learned a lot about accountancy, security and encryption) - MLM platforms - social networks - meta-data distribution platforms - gamification platforms

    Groups: Engine Yard Ruby on Rails Professionals Network

    $75.00 /hr
    6,533 hours
    4.97
  4. Gregory Funtusov

    Gregory Funtusov

    Passionate Ember.js developer and Machine Learning architect

    Russia - Tests: 7 - Portfolio: 3

    I love building smart computer systems that solve people problems. I have a background in developing machine learning solutions to real problems and creating complex front end applications with ember.js. This is my strength: seeing the whole picture, never saying "that's impossible!", knowing how to perform magic deep down the back end and display the results to a user in an easy and accessible way.

    Groups: Engine Yard Ruby on Rails Professionals Network, MailChimp Experts Group...

    $60.00 /hr
    6,301 hours
    4.97
  5. Anthony Figueroa

    Anthony Figueroa Agency Contractor

    Software Engineer

    Uruguay - Tests: 5 - Portfolio: 10

    TopTier labs is a full stack development shop, offering services from ideation to design, development and testing. We build innovative web and mobile applications using agile processes. We specialise in Ruby on Rails and mobile apps for iOS and Android. We have a strong team of software engineers, designers and project managers. Feel free to reach out and we will help you bringing your ideas to life!

    Groups: Application Developers Alliance, Crossrider...

    Associated with: TOPTIER LABS S.R.L.

    $45.00 /hr
    2,378 hours
    5.00
  6. muh syaiful sabril

    muh syaiful sabril Agency Contractor

    Sr. Ruby on Rails & DB developer with cloud infrastructure

    Indonesia - Tests: 11 - Portfolio: 14

    I am a full stack Ruby on Rails developer and also a team leader. You want to build an awesome application with high quality standard? you came to the right person. I have experiences with web application development from scratch to production. You want to build a MVP of your idea? Give me a week trial and i will help you to build it. You want for help to fix your existing application that failed to launch to a product or left by your previous developer? I am here to help you. Database experiences: - MySQL, PostgreSQL, Mongodb Deployment infrastructure experiences: - Heroku, Amazon Web Service (EC2, Elastic Beanstalk), Rackspace, Linode, Engineyard. Payment process experiences: - Authorize.net, Stripe, Paypal But to be honest i don't have the shining badge as a web designer, but my standard is Twitter Bootstrap or Zurb Foundation, you can bring your own design or designer, or i will find it for you. Thank you for visiting my profile, just contact me even for just say hi or want to discuss about your project or your idea. I hope it worth your time :-)

    Groups: Engine Yard Ruby on Rails Professionals Network

    Associated with: Ellison Digital Industries, Sabril Agency, SOLIT

    $70.00 /hr
    9,123 hours
    4.92
  7. Vlad Mikhailov

    Vlad Mikhailov

    Ruby/Rails Sotware Engineer

    Russia - Tests: 4

    I am a senior software engineer with over 8 years of experience. I love to work with ruby/rails and whole stack. I really like to do projects that rely on good API design, complex client/server interaction and provide real value to their customers. My key skills: * Ruby, Rails 3/4, Sinatra/Padrino, Adhearsion, Minitest, Rspec, Capybara * PostgreSQL, MySQL, NoSQL ( MongoDB, Redis, Memcached) * RabbitMQ, Beanstalkd, Sidekiq, Eventmachine * Javascript, Coffescript, HAML/SLIM, HTML5, CSS, SASS * TDD, BDD, Continous Integration (TeamCity), Nant, Rake, Git, SVN, Capybara, Nginx, * DevOps, Chef, Ansible, Docker. * Amazon AWS (EC2, RDS, S3, ELB), Heroku, Engine Yard, Rackspace I also have experience in UX, product and project management (was a head of development with 15 developers and two QA engineers in a my team)

    Groups: Coding Champs, Engine Yard Ruby on Rails Professionals Network

    $50.00 /hr
    3,015 hours
    4.95
  8. Sumon S.

    Sumon S.

    Full-Stack Ruby on Rails Developer & System Administrator

    Bangladesh - Tests: 4 - Portfolio: 8

    I am a skilled developer with extensive experience in Ruby, JavaScript, NodeJS, Perl, Linux and cloud base technology stacks. I love to work with brand new tools and solve challenging problems. I am looking for a long term and full time position at the moment. My English is very good. I scored 8 in IELTS test. I write clear, detailed, to-the-point reports/emails. I am available in IM 24/7. I am ready to work as part of a team as well as a one man team. I am looking for a long term relationship if not permanent position. I work according to your time zone. I am skilled in: # Ruby (Rails 4 and older, Cucumber, Rspec, Grape, VCR, Selenium, JRuby, Heroku, AWS) # Javascript (NodeJS, AngularJS, BackboneJS, jQuery, MeteroJS, ExpressJS, Socket.io, CoffeeScript, Jasmine) # Perl (Catalyst, Mason, mod_perl, WWW::Mechanize, LWP, Plagger, Plucene, DBI, DBIx::Class, Rose::DB, CGI::Application, Template::Toolkit, HTML::Template, MisterHouse + lot more cpan modules...) # PHP (CodeIgniter, CakePHP) # Java, C++, C# # MongoDB, CouchDB, LevelDB, MySQL, PostgreSQL, SQLite # Erlang, Go, Scala (Learned as a hobby) I have used project management tools like Pivotal Tracker, Trello, Unfuddle, Basecamp, Aseembla, Trac and a few more tools like these.

    Groups: Engine Yard Ruby on Rails Professionals Network

    $20.00 /hr
    1,863 hours
    4.80
  9. Juan Lebrijo

    Juan Lebrijo Agency Contractor

    Ruby on Rails Developer (and DevOps)

    Spain - Tests: 4 - Portfolio: 11

    What I do best (my favorite tasks): * Backend developer with Ruby on Rails and PostgreSQL * Front end development with HTML, CSS (HAML/SLIM and SCSS/SASS), Javascript (Jquery, AngularJS, NodeJS ...) * Expert in DevOps high availability, scalable, zero downtime deployment with: Ubuntu / Docker / Chef / Capistrano stack. NewRelic for monitoring. * Expert in payment gateways: Braintree (my favorite), Stripe and Paypal. * TDD and BDD: Rspec and Capybara are my favorite frameworks * Continuous Integration/Deployment with Jenkins

    Groups: Corona Labs, Engine Yard Ruby on Rails Professionals Network

    Associated with: Lebrijo.com

    $60.00 /hr
    2,801 hours
    4.97