Ruby Ruby On Rails Freelancers

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  1. Abdul B.

    Abdul B.

    Full Stack Ruby On Rails Developer

    Bangladesh - Tests: 2 - Portfolio: 12

    Over the last 7 years, I have developed a wide range of web applications using Ruby, Ruby On Rails, PHP,mysql,PostgeSQL, jQuery, bootstrap including sites for startup companies and I am seeking opportunities to build websites from the ground up for you or your business. I love to write DRY,manageable and readable code with Rails and like Test Driven development(using RSpec) and enjoy on deploying web applications on cloud servers. I have professional experience on handling very high traffic web applications and optimization and scaling on cloud Ubuntu servers. I follow Agile (SCRUM) methodologies for software development and follow Software Design Pattern while coding and also using trello/pivotaltracker for task managements.For continuous Integration I am using Travis CI

    Groups: Engine Yard Ruby on Rails Professionals Network

    $35.00 /hr
    5,488 hours
    4.98
  2. Damir Sultanbekov

    Damir Sultanbekov

    Java EE/Ruby on Rails/SQL Developer

    Russia - Tests: 7

    Highly motivated developer with more than 11 years of experience. I always try to perform my tasks as good as possible. Like work in team, but also have no problems working alone. 8 years in Java & J2EE field (EJB, JPA, JSP/Servlets, Portlets, WebServices, Spring Framework, Grails, etc.) 5 years in position of TeamLead/Architect. Since autumn 2014 working with Ruby/Rails. Experienced in web development using HTML/CSS/Javascript: Jquery, Dojo Toolkit, Bootstrap Have no problems with all aspects of database programming, worked with many database systems, including Oracle, IBM DB2, Postgresql, MS SQL Server and others. In past worked with Delphi, C#/Mono, C/C++, Mumps Worked on large-scale projects for russian goverment and commercial institutions such as Sberbank (largest bank in Russia), Russian Federal Agency of Communications, Russian Pension Fund and others.

    $35.00 /hr
    484 hours
    5.00
  3. Mayur B.

    Mayur B. Agency Contractor

    Highly Experience Ruby On Rails Developer

    India - Tests: 5 - Portfolio: 9

    I have only one goal when writing a code for software: Create quality application which satisfy software owner and users. I have more than 8+ years of experience in developing enterprise-level web applications in the medical, e-commerce, CMS, real estate and auction spaces. I have created 20 small applications for clients and well as for my personal use using Ruby on Rails. I have also worked on upgrading Rails 2 version web applications to Rails 3.x version I have developed 9 web applications using Ruby 1.9.2 and Rails 3.x. With this application I have also used Javascript and Ajax. While developing web application I also follow TDD, BDD, and Agile. With these methods, I have provided high quality web applications to client before deadline. I also have expertise on managing various servers and deploying rails application on the servers. I have started working as Ruby on Rails developer and also had worked in teams from India, USA, Philippines, Serbia, Canada, UK and Ukraine working together and lead them as well. Technologies, I've worked with: Ruby, Rails, HTML, CSS, HAML, CSS, Compass, MySQL, PostgreSQL, MongDB, Redis, Amazon EC2, Amazon S3, Javascript, jQuery, Google map API, Twitter API, Capistrano, Cruisecontrol.rb, Rspec, Cucumber, Rcov, Shoulds, Selenium, Linux, Mac OSx, Git, SVN, XML, RMagic, Sphinx, Omniaut/Devise/AuthLogic/restful-authentication, Httparty, Nokogiri and much more…

    Associated with: GVI

    $51.00 /hr
    2,389 hours
    5.00
  4. Ivan I. Parfenchuk

    Ivan I. Parfenchuk Agency Contractor

    iOS/Ruby on Rails Top Rated Developer

    Russia - Tests: 6 - Portfolio: 11

    Hello and thanks for considering me for your project! My iOS experience includes expert-level proficiency in all the core iOS components and frameworks like UIKit, Core Data, MapKit, Core Animation, Quartz 2D and so on, integration with various APIs and web services. I usually use Cocoapods for managing libraries, both Storyboards and xibs for interface, KIF/specta/expecta for tests and specs. Also, I'm already using Swift components in my production apps. My Ruby on Rails skill set includes working with MySQL/PostgreSQL, MongoDB, RSpec/TestUnit/Capybara, Slim/Haml/ERB/RABL, JavaScript/CoffeeScript, Ember.js, Sidekiq and other numerous gems and technologies. Feel free to contact me for any kind of work. Objective C, iOS, Mac OS X, C, C++, Ruby, Ruby on Rails, Ember.js, MySQL, PostgreSQL, MongoDB, Rspec, Parse, C#, REST, PHP, XML, XSLT, JSON, XCode, Unit testing, Integration testing, Core Data, MapKit, Core Animation, Quartz 2D, ShareKit, MagicalRecord, KIF, specta, expecta.

    Associated with: uSpec

    $40.00 /hr
    1,713 hours
    5.00
  5. Patrick Sagan

    Patrick Sagan

    Ruby on Rails Programmer and Architect

    Poland

    Hello, my name is Patrick Sagan. I am experienced Rails and Ruby developer, software architect who can provide you remote programming services and help create your product in IT area. I can work on existing systems or build new one from scratch. I have deep experience in web development and software architecture. In past I was playing with php (and got some certifications listed below) but currently I'm focused on ruby, rails and sinatra. I have small office based in northern Poland (Pomeranian District), so I work remotely and worldwide. Wherever your company is placed, if it is USA or UK I'm flexible in working hours. I speak English so do not hesitate to contact me. My values: - I am focused on high quality of code ("developer's friendly code") and solutions. - I am focused on delivering great user experience. - I am focused on getting things done, more stuff done and less theoretical words. - I am focused on self-development (currently I am using https://www.codeschool.com/paths/ruby to find new approaches.) - Regarding to building products - I am big fan of rules presentend in "Rework" book of 37 signals (http://37signals.com/rework) - Deep understanding of business requirements - so I build code for business not just to fulfill programming ambitions, which are often different than business requirements I believe that working in company which has similar values gives synergy effect for both: company and employee. Please feel free to check my website to get more information about me and how I work: http://www.dev4.biz. You can also check my another site: http://www.rails-dev.com - with rails recipes - this site is just launched - not so many content there yet.

    $33.33 /hr
    283 hours
    5.00
  6. Artem Fedorov

    Artem Fedorov

    Senior Full-Stack Developer - Ruby on Rails

    Russia - Tests: 3 - Portfolio: 4

    With experience in programming for over 14 years, I've been doing Ruby & Ruby on Rails web development for the last 4+ years. I love concentrating on the end result and final polish - that's what user will see and interact with. As a result of this thoroughness and attention to detail, my open-source history viewing plugin for Miranda IM (http://addons.miranda-im.org/details.php?id=2995) became Miranda's de-facto standard. In addition to ruby, I know and use the following frameworks/technologies: CSS, AJAX, HAML, SLIM, SASS, SQL (MS SQL, SQLite, MySQL, PostgreSQL), NoSQL (MongoDB). My main expertise is Ruby (and Rails) - I've got 2nd place in oDesk Coding Challenge among Ruby developers. Also, I'm in the top 10% in Ruby and Ruby on Rails tests on oDesk. My projects do deployment, server provisioning and production error reporting automatically. I use Capistrano to deploy projects, Ansible for server provisioning and New Relic with Airbrake or Rollbar to monitor app in production. I can read other languages, like php, java, perl, python, c/c++. https://github.com/artemf/

    Groups: Coding Champs, Upwork Verified Developers

    $80.00 /hr
    117 hours
    5.00
  7. Eugen O.

    Eugen O.

    Ruby on Rails, JavaScript, SQL, jQuery, AngularJS

    Belarus - Tests: 4 - Portfolio: 3

    Senior Ruby Developer, 3.5+ years of experience in Analysis, Estimate, Design, Development and Maintenance of Web­based Software applications in a bunch of domains including News, E­ticket, Social network, ERP and Internet/telephony billing. Experience in both UI programming and Server Side programming. Profound knowledge of Ruby and JavaScript (CoffeeScript), particularly developing rich internet applications based on Rails and AJAX (JS frameworks ExtJS, Spine, AngularJS). Proficient in HTML, CSS and their wrappers haml, slim, sass. Have knowledge in C, C++, C#, Java, Erlang, Haskell, MATLAB (Octave) and R languages, Design patterns, UML, Object Oriented Design, Test/Behavior ­Driven Development, unit and integration testing (using RSpec, Cucumber and Capybara). Worked with relational databases MySQL, PostgreSQL, MS SQL and NoSQL solutions: Cassandra, Redis, MongoDB, Neo4j. Skilled in HTTP, REST, XML and JSON. Have experience in cloud solutions (Amazon AWS, Heroku) and Linux distributions. Expertise in estimating of the development efforts based on project scope on initiation phase, analysis of the complex business logic; support and maintenance of the live applications; performing of technical examination and prove­of­concepts (prototyping) for the effective solutions; code review; communication with the development team and QA; direct dialog with the Client.

    Groups: Coding Champs

    $33.33 /hr
    82 hours
    5.00
  8. Dmitry Solomadin

    Dmitry Solomadin

    Ruby on Rails/Node.js/Java Developer

    Ukraine - Tests: 10 - Portfolio: 5

    Full stack Ruby on Rails/Java Developer with more than 6 years of experience. Worked on wide range of web application from small web startup to huge enterprise software. Experience in following technologies: java, RoR, javascript, html, css, coffeescript, jquery, mysql and many others. Experience of team leading and project management. I'm seeking for front-end and back-end development basically building the your site or startup form ground up. I also have a team of professional web developers and designers so if you have a complex project that will require more than one professional just contact me and we will deliver the best quality possible.

    $36.67 /hr
    532 hours
    5.00
  9. Farid B.

    Farid B.

    Full stack Ruby on Rails developer

    Russia - Tests: 3 - Portfolio: 1

    Over 10 years of experience with C, Ruby, Ruby on Rails, Go, Linux. I'm self-motivated in improving my skills and learn something new.

    $44.44 /hr
    1,852 hours
    5.00