Ruby On Rails Developer Freelancers

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  1. Alexander K.

    Alexander K. Agency Contractor

    Ruby on Rails developer / PhD

    Russia - Last active: 1 day ago - Tests: 7 - Portfolio: 2

    Thorough and diligent computer scientist, devoted to implementation of brilliant technological solutions. Team leader in top 5 russian internet company. Web development (Ruby on Rails / Django / Other) Linux administration (Services, Networking, Virtualization) Artificial intelligence and big data expertise. PhD in Computer Science. Interested in challenging projects for me and my team.

    Associated with: United Systems

    $33.33 /hr
    2,107 hours
    5.00
  2. Nikola Balent

    Nikola Balent

    Senior Ruby on Rails developer

    Serbia - Last active: 5 hours ago - Tests: 5 - Portfolio: 4

    During the last couple of years I have developed wide range of projects for small and large companies. Large experience with MVC. Providing scraped data in any format needed: MySQL, CSV, XML. Offering high-class solutions for development on Ruby on Rails platform.

    $33.33 /hr
    4,240 hours
    4.95
  3. Adam H.

    Adam H.

    Senior Ruby and Ruby on Rails developer

    Germany - Last active: 3 months ago - Tests: 2 - Portfolio: 5

    I have more than five years experience of developing software in Ruby on Rails and I also have strong JavaScript/CoffeeScript knowledge. Lately I am working on several AngularJS projects. I had the chance working with various kinds of systems from small single page applications to complex information systems. I am able to get up to speed very quickly, understand complex business logic and abstractions. Worked for Nokia Solutions and Networks as stability and performance tester engineer. Currently I am employed as Senior Ruby on Rails developer.

    $45.00 /hr
    368 hours
    5.00
  4. Dmitry P.

    Dmitry P.

    Senior Ruby On Rails full stack developer

    Poland - Last active: 1 day ago - Tests: 1 - Portfolio: 6

    I have perfect 5 star rating at another freelance site (elance.com) as well - http://goo.gl/A9OgE1 I've written my first program when I was 5 years old, for 9 years I'm doing it as my profession. I've started with PHP but for purpose of more productive work switched completely to Ruby On Rails 4 years ago and mastered my RoR skills for dozens of projects since then. I'm not afraid of challenges, very self sustainable and motivated, always deliver on time. My skills are: Program languages: Ruby On Rails, Node.js (for high load backends) Code management: Github / gitlabs Databases: Mysql, postresql, mongoDB Deployment: Heroku, Capistrano, Docker, Debian-based linux distros Frontend: HTML5, CSS3, HAML, LESS, SASS, Twitter Bootstrap Javascript: Deep knowledge of pure JS, 9 years of experience with jQuery, dozens of plugins, can work with Angular.js, backbone.js (but not specialized in) Experience with API: Paypal, Twitter , Facebook , Google, Google Maps, Shopify, Netsuite, Constant Contact etc. Issue tracking and communication systems: Redmine, Github issue tracker, slack, basecamp Here are my latest project built by me: Huge highload online marketplace - http://goo.gl/oElo0L Shopify and constant contact integration - http://goo.gl/xoU02t Site monitoring solutions - http://goo.gl/dKwaej Unique project to stresstest websites - http://goo.gl/cFhrUD

    $45.00 /hr
    1,089 hours
    5.00
  5. Alex Fortuna

    Alex Fortuna

    Senior Ruby on Rails Developer / Development Consultant

    Russia - Last active: 4 days ago - Tests: 9 - Portfolio: 2

    I'm seeking opportunities to build high-quality dynamic web solutions in Ruby on Rails. I've got a solid programming background with over 15 years experience. I'm a self-organized, disciplined and quality-oriented performer with good team management skills. A list of skills/features follows. * Passion for programming. * 15+ years overall development experience in 10+ languages. * 10+ years team leadership experience. * 10+ years Unix admin and TCP/IP networking experience. * 7+ years Ruby experience. * 5+ years Ruby on Rails experience. * Contributing to Ruby/Rails open source community (https://github.com/dadooda). * Clean, distinct, well-documented and reusable code is a *MUST*. * Solid understanding and everyday use of TDD (RSpec). * Strong JavaScript: raw language, jQuery, frameworks. * Everyday Git usage. * Practical programmer’s knowledge of HTML/CSS. * Hands-on experience of building high-traffic web applications in Unix environment (nginx, memcached, SQL server tuning, load testing tools, etc.). * 10+ years LAMP experience.

    $37.00 /hr
    2,464 hours
    4.77
  6. Damir Sultanbekov

    Damir Sultanbekov

    Java EE/Ruby on Rails/SQL Developer

    Russia - Last active: 1 day ago - 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. In latest months learned 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. You can read more about my previous positions in my linkedin profile: https://www.linkedin.com/profile/view?id=183664212&trk=spm_pic

    $35.00 /hr
    275 hours
    5.00
  7. Ivan I. Parfenchuk

    Ivan I. Parfenchuk Agency Contractor

    iOS/Ruby on Rails Top Rated Developer

    Russia - Last active: 16 days ago - 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
    1,499 hours
    5.00
  8. Artem Fedorov

    Artem Fedorov

    Senior Full-Stack Developer - Ruby on Rails

    Russia - Last active: 08/27/2014 - 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
  9. Dmitry Solomadin

    Dmitry Solomadin

    Ruby on Rails/Node.js/Java Developer

    Ukraine - Last active: 08/20/2013 - 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