Senior Ruby On Rails Freelancers

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  1. Maciej Zubala

    Maciej Zubala Agency Contractor

    Senior Ruby On Rails developer

    Poland - Last active: 8 days ago - Tests: 4 - Portfolio: 6

    Software development is not only my profession but also my greatest passion and hobby. This is why I spend majority of my free time improving my programming skills, learning new concepts, technologies, languages and tools. I get the greatest satisfaction when products I develop are released to the world and people start using it - that makes me want to spend more time at work. When not in front of my monitor, I'm probably taking care of my daughter or doing some sports (tennis and swimming most of the time).

    Groups: oDesk Verified Developers

    Associated with: Rocket Mind Software

    $38.89 /hr
    5,435 hours
    4.60
  2. Marcin Szczepanski

    Marcin Szczepanski Agency Contractor

    Senior Ruby on Rails developer

    Poland - Last active: 2 days ago - Tests: 9 - Portfolio: 10

    I have been developing web applications as a hobby, before it became my profession. I am a young developer but with solid experience already. I was involved in the creation of a number of interesting projects/applications. I am constantly broadening the scope of my skills and techniques. I like working in team and I'm always willing to share knowledge.

    Associated with: Polcode

    $32.00 /hr
    3,705 hours
    4.77
  3. Dmitry P.

    Dmitry P.

    Senior Ruby On Rails full stack developer

    Poland - Last active: 1 day ago - Tests: 1 - Portfolio: 2

    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
    875 hours
    5.00
  4. Alex Fortuna

    Alex Fortuna

    Senior Ruby on Rails Developer / Development Consultant

    Russia - Last active: 1 day 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
    2,462 hours
    4.64
  5. Artem Fedorov

    Artem Fedorov

    Senior Full-Stack Developer - Ruby on Rails

    Russia - Last active: 08/27/2014 - Tests: 3 - Portfolio: 3

    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, oDesk Verified Developers

    $80.00 /hr
    117 hours
    5.00
  6. Faisal E.

    Faisal E.

    Senior software Engineer of Ruby on Rails

    United Arab Emirates - Last active: 01/02/2014 - Tests: 2 - Portfolio: 6

    I have 4 years of working experience of Ruby on Rails. Have also good hand on HTML/HAML, Javascript/JQuery, CSS and test cases frameworks (Rails testing framework, cucumber, Rspec). I have delivered quality work within time.

    $50.00 /hr
    744 hours
    4.73
  7. Ivan L.

    Ivan L.

    Team Lead, Senior Ruby on Rails, co-founder at RM

    Ukraine - Last active: 1 month ago - Tests: 1

    I'm a Tech Lead with about 8 years experience in web-development and about 4 years in Ruby on Rails. I have in portfolio more than 40+ finished rails projects from social platforms and e-commerce to SaaS. I'm self motivated, can solve complex tasks in a short time. In the past two years my main roles were architecture planning, choosing the right technology stack using the client's requirements, development management, team management I like Agile and use it every day - iterations, scrum daily meetings, retrospectives. I like confident code and TDD/BDD. I'm experienced in RSpec, Capybara and Cucumber. Often I help clients to understand what will be the best development approach for them. Do they need only MVP or there is a sense in building full version. What technologies are best for their project. Plan deadlines and budget. I'm very familiar with AWS technologies stack - setup EC2 instance from scratch, configure balance loader(EBL), setup push notifications service(SNS), emails(SES), database instances(RDS), and other services I have an experience in buiding a high-load applications, huge processing centers with 1,000,000 processed jobs daily(in Sidekiq), PostgreSQL database size more than 500GB and everything places on EC2 instance with 32 Cores and 68GB RAM. That was very excited. I'm a fun of continues integration and continues deploy practices. I also have experience in front-end development: JavaScript on advanced level, canvas, CoffeeScript, web-sockets(socket.io) with node.js back-end, backbone.js, Ember.js In the past years there is a trend to have an application with RESTful JSON API built in Ruby on Rails. I have experience in building more than 5 different APIs for different projects. Some of them were versioning and have up to v4. There is always a challange to support old versions, but we successfully doing it. Some have HIPAA protection, one application had a really complex structure of API URLs but it was very easy to work with it in the end since we built it human readable. Thanks for you time!

    $40.00 /hr
    3,106 hours
    4.87
  8. Yuriy O.

    Yuriy O. Agency Contractor

    Senior Ruby on Rails Developer / backbone.js / Project Manager

    Ukraine - Last active: 3 days ago - Tests: 10 - Portfolio: 14

    I can offer 10 years of experience as web developer and consultant with wide range of skills - from Rails / JavaScript programming and server administration to project management and UI design. In my work I strive for high quality, simplicity and maintainability. I do my best to deliver more than you expect.

    Groups: Engine Yard Ruby on Rails Professionals Network, Twilio

    Associated with: Kodo Labs Agency

    $50.00 /hr
    3,153 hours
    4.76
  9. Alexey Artamonov

    Alexey Artamonov

    Senior Ruby on Rails Developer and Team Lead

    Russia - Last active: 3 months ago - Portfolio: 5

    Software Architect and senior developer which employs communication and technical skills to build and lead teams in designing and implementing web apps or enterprise services. Builds solutions using Ruby based frameworks, refactoring existing projects. Specialties Strong developer skills include OOP, web application architecture, data modelling, etc... Domains: E-commerce, Business Directory Methodologies: Agile Development, Behavior Driven Development Platforms: Linux Languages: Ruby, JavaScript, C/C++ Databases: MySQL, PostgreSQL, MongoDB Others: Git, GitHub, PivotalTracker

    $42.00 /hr
    3,208 hours
    4.91
  10. Eugene Tsurcan

    Eugene Tsurcan

    Senior Front End - Ruby On Rails, HTML5/CSS3/JS, HAML/SASS, Responsive

    Moldova - Last active: 1 day ago - Tests: 8 - Portfolio: 37

    I am a Front End developer with extensive experience (5+ years of professional experience). I am aiming at getting opportunities to provide oDesk employers with my expertise, contribute to their success and build up reliable long-term partnership with them. I'm seeking interesting projects Full Time and Long Terms. Skills: ✓ Responsive web design for mobile or any display resolution (media queries): Multi-Device Web Layout Pattern (Off Canvas) and Mobile-First styles; ✓ Strong SASS/SCSS & LESS skills using mixins and calculations; ✓ Sass Mixin Libraries: Compass and Bourbon; ✓ Responsive CSS Frameworks: Bootstrap 2/3, Foundation 3/4/5, Skeleton; ✓ JS Frameworks: Jquery, Angular.JS, Dojo; ✓ Experience with Ruby On Rails: HAML, CoffeeScript, RVM; ✓ Strong HTML5 knowledge of new tags such as figure, article, section and when to use them; ✓ Cross browser compatibility with a specific focus on HTML5 shims (html5 shim, modernizr etc) for older browsers (FF 3+, IE 7+, Opera 9+, Safari/Chrome); ✓ CSS3 gradients, transitions, animations etc.; ✓ Strong Grid Systems: Fluid grid, Static/Fixed grid and Magic grid (Bootstrap, Foundation, SUSY, 960, FrameLessGrid, 1140 etc.); ✓ Experience with Parallax Effects (Stellar.js), Kendo UI, TinyNav, fancyBox; ✓ PSD, Fireworks, Illustrator to XHTML (HTML5, CSS3); ✓ Design Integration; ✓ Valid, semantic markup; ✓ Optimized for load speed markup; ✓ Experience in Git, HG, SVN, FTP (Github, Bitbucket); ✓ Experience with different platforms: Ruby On Rails, BigCommerce, CodeIgniter, Wordpress, CS-Cart, Drupal, Django, SquareSpace, Zend Framework, ASP.NET etc.; ✓ Templates Engine: Smarty, Jekyll; ✓ PHP/MySQL/Ajax - basic knowledge;

    Groups: Application Developers Alliance, Corona Labs...

    $35.00 /hr
    2,417 hours
    4.76