Top Upwork Freelancers

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  1. Bang Ly Tieu

    Bang Ly Tieu

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

    Vietnam - Last active: 07/23/2013 - 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. Kalyan K. Agency Contractor

    Ruby | Ruby on Rails | MySQL | JQuery | AngularJS | API Integration

    India - Last active: 7 months ago - Tests: 3 - Portfolio: 6

    I'm a passionate and energetic agile web developer having good experience in developing large scale rails projects with different versions and RESTful style coding with Ruby, Rails 2 to 4 versions, MySQL technologies. Prior knowledge in JQuery, Ajax and JSON. Having good experience in integrating API's like Facebook, Twitter, Linkedin, Podio etc.. Hands-on experience using various version controls like GIT, SVN. Having capabilities in estimating project time and cost.

    Groups: Engine Yard Ruby on Rails Professionals Network

    Associated with: RubyNuts Agency

    $22.22 /hr
    1,330 hours
    4.93
  3. Hai B.

    Hai B. Agency Contractor

    Senior developer in ROR/J2EE, E-commerce, SNS, CMS, CRM, SaaS

    Vietnam - Last active: 2 months ago - Tests: 6 - Portfolio: 8

    Dear partners, Thank you very much for choose me to work on your projects. That it help me to get much experience on technical solutions and management. I have built a good team from 2012, ScrumTobe Software (www.scrum2b.com). We have growth up to 10-member team now. From 2015, I focus on activities of the team on outsourcing services in Software Development. And I will not work as freelancer anymore, If you need to get higher quality services on Software Development, please feel free to send me message or invite our team into your jobs. Our UpWork profile at: https://www.upwork.com/companies/~018a573a06d7ae8a23. Thanks and Best regards, Hai Bui ---- My personal skills/experience: ★ Programming skills: ☆ Ruby on Rails (2.3.x, 3.x, 4.0), ActiveMerchant, Devise, Attached, Memcache, Haml, HtmlDoc, Rspec, Cucumber, Capistrano ☆ J2EE, Struts, Spring, jBoss, Hibernate, JasperReport, Mockup ☆ HTML5/CSS3, jQuery, Bootstrap, BackboneJS, Sencha Touch, Responsive web ☆ Shopify Liquid/Shopify App ★ System Development experience: ☆ Test Drivent Development, Behaviour Driven Development, Selenium IDE ☆ Continuous Integrate (CI), GitHub (branching model) ☆ APIs: Paypal, Stripe, Balanced Payment, Stamps, MailVu, Twilio. etc. ☆ SpreeCommerce, SpreeGateway, Redmine Plugins ☆ Image Magick, Sphinx, Elastic Search engine ★ Server Administration skills: ☆ Nginx, Unicorn, Phusion Passenger, Apache ☆ Tomcat Apache, Spring server, jBoss server ☆ Cloud Application: Heroku, Rackspace, EngineYard ☆ SSH/SSL, DNS ☆ Server: AWS/EC2, CentOS/Ubuntu/FreeBSD, Delicated servers, VPS ☆ MySQL, PostgreSQL, PL/pgsql, MongoDB, Oracle 11g, OLAP I have experience with Scrum/Agile, speak fluently in English. From my experience, I understand how important to write clean codes, easy to read and easy to maintain.

    Groups: Engine Yard Ruby on Rails Professionals Network

    Associated with: ScrumTobe Software

    $33.33 /hr
    1,599 hours
    4.71
  4. Sebastian A.

    Sebastian A. Agency Contractor

    Ruby, Rails and C/C++ Lover

    Colombia - Last active: 05/10/2014 - Tests: 12 - Portfolio: 3

    I am a programmer who likes smart solutions, and for this same reason when I coded up for web, I use rails and TDD-BDD methodology. I've been working for more than 7 years now with web technologies such as Ruby on Rails, Sinatra, Javascript/Ajax, jQuery, HTML5, MySQL, PostgreSQL, Heroku, Amazon AWS and others. I'm also interested to work with new trending languages such as Clojure and Erlang. I'm actively looking for new projects, so feel free to contact me.

    Groups: Engine Yard Ruby on Rails Professionals Network

    Associated with: Cactus Aptus, Monkey Labs

    $55.00 /hr
    341 hours
    4.97
  5. Aamit A Agency Contractor

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

    India - Last active: 04/12/2012 - 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
  6. Ivan Povalyukhin

    Ivan Povalyukhin

    Ruby, Rails, Node.js, JavaScript, MongoDB, HTML5

    United States - Last active: 3 months ago - Tests: 5 - Portfolio: 4

    http://ipoval.com / Linux, Ruby & JavaScript enthusiast I enjoy programming and look at the modern Web and Mobile technologies through the eyes of a software engineer. That being said, clean design and code, consistency and best practices play the major role in my work. I have been a full-stack web-developer since 2008 and my goal is to develop myself as a passionate programmer and generalist.

    Groups: Engine Yard Ruby on Rails Professionals Network

    $48.00 /hr
    283 hours
    5.00
  7. Anton Zaytsev

    Anton Zaytsev Agency Contractor

    Ruby on Rails / Front-end developer (7+ y. exp.)

    Russia - Last active: 22 hours ago - Tests: 10 - Portfolio: 14

    Over seven years of web development experience. During the last three years I have worked extensively on Ruby on Rails projects of varying complexity. My core competence lies in designing and implementing complex web 2.0 applications. I have strong JS skills (include jQuery) as well as comprehensive knowledge of Ruby (include Rails, Sinatra and other frameworks and tools). I have experience managing small teams of developers doing Agile (XP/SCRUM) and setting up the various tools needed for this kind of project e.g. I also have experience in deploying Rails applications (capistrano) and good knowledge of *nix shells. Over the last years I use GIT as the best VCS. On one project I set up service for payments "Balanced Payments" with test and live accounts. Tags: Ruby, Ruby on Rails, RoR, meta programming, Rails 3, HTML5, CSS, CSS3, Javascript, jQuery, github, heroku, Consultant, Rails project manager.

    Groups: Engine Yard Ruby on Rails Professionals Network

    Associated with: Matreshka Agency

    $35.00 /hr
    543 hours
    5.00
  8. muh syaiful sabril

    muh syaiful sabril Agency Contractor

    Sr. Ruby on Rails & DB developer with cloud infrastructure

    Indonesia - Last active: 1 month ago - 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
  9. Anthony Figueroa

    Anthony Figueroa Agency Contractor

    Software Engineer

    Uruguay - Last active: 6 months ago - 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
  10. Igor Petrov

    Igor Petrov Agency Contractor

    Ruby on Rails developer, Java developer

    Russia - Last active: 22 hours ago - Tests: 2 - Portfolio: 10

    Interested in Ruby techs: Rails, Sinatra, RSpec, Cucumber, Spree, Radiant... Good in Javascript stuff: JQuery, Angular.js, Batman.js Experienced in Java technologies: JSP, Servlets, Wicket, Hibernate, JPA, Guice, jDave, a little bit of JavaFX.

    Groups: Engine Yard Ruby on Rails Professionals Network

    Associated with: Gradus

    $30.00 /hr
    968 hours
    4.88